diff --git a/libcef/browser/browser_urlrequest_impl.cc b/libcef/browser/browser_urlrequest_impl.cc
index e16ae7c70..c6366fcdf 100644
--- a/libcef/browser/browser_urlrequest_impl.cc
+++ b/libcef/browser/browser_urlrequest_impl.cc
@@ -14,6 +14,7 @@
 #include "libcef/browser/thread_util.h"
 #include "libcef/common/request_impl.h"
 #include "libcef/common/response_impl.h"
+#include "libcef/common/task_runner_impl.h"
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ -75,7 +76,7 @@ class CefURLFetcherResponseWriter : public net::URLFetcherResponseWriter {
           base::Bind(&CefURLFetcherResponseWriter::WriteOnClientThread,
                      url_request_, scoped_refptr<net::IOBuffer>(buffer),
                      num_bytes, callback,
-                     base::MessageLoop::current()->task_runner()));
+                     CefTaskRunnerImpl::GetCurrentTaskRunner()));
       return net::ERR_IO_PENDING;
     }
     return num_bytes;
@@ -135,7 +136,7 @@ class CefBrowserURLRequest::Context
         request_(request),
         client_(client),
         request_context_(request_context),
-        task_runner_(base::MessageLoop::current()->task_runner()),
+        task_runner_(CefTaskRunnerImpl::GetCurrentTaskRunner()),
         status_(UR_IO_PENDING),
         error_code_(ERR_NONE),
         upload_data_size_(0),
@@ -391,7 +392,7 @@ CefURLFetcherDelegate::~CefURLFetcherDelegate() {}
 void CefURLFetcherDelegate::OnURLFetchComplete(const net::URLFetcher* source) {
   // Complete asynchronously so as not to delete the URLFetcher while it's still
   // in the call stack.
-  base::MessageLoop::current()->task_runner()->PostTask(
+  CefTaskRunnerImpl::GetCurrentTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&CefBrowserURLRequest::Context::OnComplete, context_));
 }
diff --git a/libcef/browser/cookie_manager_impl.cc b/libcef/browser/cookie_manager_impl.cc
index 56d764f8d..3f6572a7c 100644
--- a/libcef/browser/cookie_manager_impl.cc
+++ b/libcef/browser/cookie_manager_impl.cc
@@ -11,6 +11,7 @@
 #include "libcef/browser/content_browser_client.h"
 #include "libcef/browser/context.h"
 #include "libcef/browser/net/network_delegate.h"
+#include "libcef/common/task_runner_impl.h"
 #include "libcef/common/time_util.h"
 
 #include "base/bind.h"
@@ -144,7 +145,7 @@ void CefCookieManagerImpl::GetCookieStore(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner,
     const CookieStoreCallback& callback) {
   if (!task_runner.get())
-    task_runner = base::MessageLoop::current()->task_runner();
+    task_runner = CefTaskRunnerImpl::GetCurrentTaskRunner();
 
   if (!CEF_CURRENTLY_ON_IOT()) {
     CEF_POST_TASK(CEF_IOT, base::Bind(&CefCookieManagerImpl::GetCookieStore,
diff --git a/libcef/browser/menu_model_impl.cc b/libcef/browser/menu_model_impl.cc
index 4b8d741d7..66b11c148 100644
--- a/libcef/browser/menu_model_impl.cc
+++ b/libcef/browser/menu_model_impl.cc
@@ -8,6 +8,7 @@
 #include <vector>
 
 #include "libcef/browser/thread_util.h"
+#include "libcef/common/task_runner_impl.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ -793,7 +794,7 @@ void CefMenuModelImpl::MouseOutsideMenu(const gfx::Point& screen_point) {
 
   // Allow the callstack to unwind before notifying the delegate since it may
   // result in the menu being destroyed.
-  base::MessageLoop::current()->task_runner()->PostTask(
+  CefTaskRunnerImpl::GetCurrentTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&CefMenuModelImpl::OnMouseOutsideMenu, this, screen_point));
 }
@@ -804,7 +805,7 @@ void CefMenuModelImpl::UnhandledOpenSubmenu(bool is_rtl) {
 
   // Allow the callstack to unwind before notifying the delegate since it may
   // result in the menu being destroyed.
-  base::MessageLoop::current()->task_runner()->PostTask(
+  CefTaskRunnerImpl::GetCurrentTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&CefMenuModelImpl::OnUnhandledOpenSubmenu, this, is_rtl));
 }
@@ -815,7 +816,7 @@ void CefMenuModelImpl::UnhandledCloseSubmenu(bool is_rtl) {
 
   // Allow the callstack to unwind before notifying the delegate since it may
   // result in the menu being destroyed.
-  base::MessageLoop::current()->task_runner()->PostTask(
+  CefTaskRunnerImpl::GetCurrentTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&CefMenuModelImpl::OnUnhandledCloseSubmenu, this, is_rtl));
 }
@@ -891,7 +892,7 @@ void CefMenuModelImpl::MenuWillClose() {
   // Due to how menus work on the different platforms, ActivatedAt will be
   // called after this.  It's more convenient for the delegate to be called
   // afterwards, though, so post a task.
-  base::MessageLoop::current()->task_runner()->PostTask(
+  CefTaskRunnerImpl::GetCurrentTaskRunner()->PostTask(
       FROM_HERE, base::Bind(&CefMenuModelImpl::OnMenuClosed, this));
 }
 
diff --git a/libcef/browser/request_context_impl.cc b/libcef/browser/request_context_impl.cc
index 25c126079..c3d2bd3f9 100644
--- a/libcef/browser/request_context_impl.cc
+++ b/libcef/browser/request_context_impl.cc
@@ -9,6 +9,7 @@
 #include "libcef/browser/context.h"
 #include "libcef/browser/cookie_manager_impl.h"
 #include "libcef/browser/thread_util.h"
+#include "libcef/common/task_runner_impl.h"
 #include "libcef/common/values_impl.h"
 
 #include "base/atomic_sequence_num.h"
@@ -180,7 +181,7 @@ void CefRequestContextImpl::GetBrowserContext(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner,
     const BrowserContextCallback& callback) {
   if (!task_runner.get())
-    task_runner = base::MessageLoop::current()->task_runner();
+    task_runner = CefTaskRunnerImpl::GetCurrentTaskRunner();
   GetBrowserContextOnUIThread(task_runner, callback);
 }
 
@@ -188,7 +189,7 @@ void CefRequestContextImpl::GetRequestContextImpl(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner,
     const RequestContextCallback& callback) {
   if (!task_runner.get())
-    task_runner = base::MessageLoop::current()->task_runner();
+    task_runner = CefTaskRunnerImpl::GetCurrentTaskRunner();
   if (request_context_getter_impl_) {
     // The browser context already exists.
     DCHECK(browser_context());
diff --git a/libcef/common/task_runner_impl.cc b/libcef/common/task_runner_impl.cc
index b054a744b..5009d8cca 100644
--- a/libcef/common/task_runner_impl.cc
+++ b/libcef/common/task_runner_impl.cc
@@ -19,7 +19,7 @@ using content::BrowserThread;
 
 // static
 CefRefPtr<CefTaskRunner> CefTaskRunner::GetForCurrentThread() {
-  scoped_refptr<base::SequencedTaskRunner> task_runner =
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner =
       CefTaskRunnerImpl::GetCurrentTaskRunner();
   if (task_runner.get())
     return new CefTaskRunnerImpl(task_runner);
@@ -28,7 +28,7 @@ CefRefPtr<CefTaskRunner> CefTaskRunner::GetForCurrentThread() {
 
 // static
 CefRefPtr<CefTaskRunner> CefTaskRunner::GetForThread(CefThreadId threadId) {
-  scoped_refptr<base::SequencedTaskRunner> task_runner =
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner =
       CefTaskRunnerImpl::GetTaskRunner(threadId);
   if (task_runner.get())
     return new CefTaskRunnerImpl(task_runner);
@@ -40,13 +40,13 @@ CefRefPtr<CefTaskRunner> CefTaskRunner::GetForThread(CefThreadId threadId) {
 // CefTaskRunnerImpl
 
 CefTaskRunnerImpl::CefTaskRunnerImpl(
-    scoped_refptr<base::SequencedTaskRunner> task_runner)
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
     : task_runner_(task_runner) {
   DCHECK(task_runner_.get());
 }
 
 // static
-scoped_refptr<base::SequencedTaskRunner> CefTaskRunnerImpl::GetTaskRunner(
+scoped_refptr<base::SingleThreadTaskRunner> CefTaskRunnerImpl::GetTaskRunner(
     CefThreadId threadId) {
   // Render process.
   if (threadId == TID_RENDERER) {
@@ -95,9 +95,9 @@ scoped_refptr<base::SequencedTaskRunner> CefTaskRunnerImpl::GetTaskRunner(
 }
 
 // static
-scoped_refptr<base::SequencedTaskRunner>
+scoped_refptr<base::SingleThreadTaskRunner>
 CefTaskRunnerImpl::GetCurrentTaskRunner() {
-  scoped_refptr<base::SequencedTaskRunner> task_runner;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner;
 
   // For named browser process threads return the same TaskRunner as
   // GetTaskRunner(). Otherwise BelongsToThread() will return incorrect results.
@@ -133,7 +133,7 @@ bool CefTaskRunnerImpl::BelongsToCurrentThread() {
 }
 
 bool CefTaskRunnerImpl::BelongsToThread(CefThreadId threadId) {
-  scoped_refptr<base::SequencedTaskRunner> task_runner =
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner =
       GetTaskRunner(threadId);
   return (task_runner_ == task_runner);
 }
diff --git a/libcef/common/task_runner_impl.h b/libcef/common/task_runner_impl.h
index 0f2aeec9a..899171882 100644
--- a/libcef/common/task_runner_impl.h
+++ b/libcef/common/task_runner_impl.h
@@ -8,18 +8,18 @@
 
 #include "include/cef_task.h"
 
-#include "base/sequenced_task_runner.h"
+#include "base/single_thread_task_runner.h"
 
 class CefTaskRunnerImpl : public CefTaskRunner {
  public:
   explicit CefTaskRunnerImpl(
-      scoped_refptr<base::SequencedTaskRunner> task_runner);
+      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   // Returns the task runner associated with |threadId|.
-  static scoped_refptr<base::SequencedTaskRunner> GetTaskRunner(
+  static scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner(
       CefThreadId threadId);
   // Returns the current task runner.
-  static scoped_refptr<base::SequencedTaskRunner> GetCurrentTaskRunner();
+  static scoped_refptr<base::SingleThreadTaskRunner> GetCurrentTaskRunner();
 
   // CefTaskRunner methods:
   bool IsSame(CefRefPtr<CefTaskRunner> that) override;
@@ -29,7 +29,7 @@ class CefTaskRunnerImpl : public CefTaskRunner {
   bool PostDelayedTask(CefRefPtr<CefTask> task, int64 delay_ms) override;
 
  private:
-  scoped_refptr<base::SequencedTaskRunner> task_runner_;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   IMPLEMENT_REFCOUNTING(CefTaskRunnerImpl);
   DISALLOW_COPY_AND_ASSIGN(CefTaskRunnerImpl);
diff --git a/libcef/common/urlrequest_impl.cc b/libcef/common/urlrequest_impl.cc
index 45f1a05ac..b0a2f3ca0 100644
--- a/libcef/common/urlrequest_impl.cc
+++ b/libcef/common/urlrequest_impl.cc
@@ -5,6 +5,7 @@
 #include "include/cef_urlrequest.h"
 #include "libcef/browser/browser_urlrequest_impl.h"
 #include "libcef/common/content_client.h"
+#include "libcef/common/task_runner_impl.h"
 #include "libcef/renderer/render_urlrequest_impl.h"
 
 #include "base/logging.h"
@@ -21,7 +22,7 @@ CefRefPtr<CefURLRequest> CefURLRequest::Create(
     return NULL;
   }
 
-  if (!base::MessageLoop::current()) {
+  if (!CefTaskRunnerImpl::GetCurrentTaskRunner()) {
     NOTREACHED() << "called on invalid thread";
     return NULL;
   }
diff --git a/libcef/renderer/content_renderer_client.cc b/libcef/renderer/content_renderer_client.cc
index f28a0a367..983a9d1b1 100644
--- a/libcef/renderer/content_renderer_client.cc
+++ b/libcef/renderer/content_renderer_client.cc
@@ -342,7 +342,7 @@ void CefContentRendererClient::DevToolsAgentDetached() {
   }
 }
 
-scoped_refptr<base::SequencedTaskRunner>
+scoped_refptr<base::SingleThreadTaskRunner>
 CefContentRendererClient::GetCurrentTaskRunner() {
   // Check if currently on the render thread.
   if (CEF_CURRENTLY_ON_RT())
diff --git a/libcef/renderer/content_renderer_client.h b/libcef/renderer/content_renderer_client.h
index a95f87c3c..213810bcf 100644
--- a/libcef/renderer/content_renderer_client.h
+++ b/libcef/renderer/content_renderer_client.h
@@ -66,7 +66,7 @@ class CefContentRendererClient : public content::ContentRendererClient,
   void OnGuestViewDestroyed(CefGuestView* guest_view);
 
   // Render thread task runner.
-  base::SequencedTaskRunner* render_task_runner() const {
+  base::SingleThreadTaskRunner* render_task_runner() const {
     return render_task_runner_.get();
   }
 
@@ -82,7 +82,7 @@ class CefContentRendererClient : public content::ContentRendererClient,
 
   // Returns the task runner for the current thread. Returns NULL if the current
   // thread is not the main render process thread.
-  scoped_refptr<base::SequencedTaskRunner> GetCurrentTaskRunner();
+  scoped_refptr<base::SingleThreadTaskRunner> GetCurrentTaskRunner();
 
   // Perform cleanup work that needs to occur before shutdown when running in
   // single-process mode. Blocks until cleanup is complete.
@@ -145,7 +145,7 @@ class CefContentRendererClient : public content::ContentRendererClient,
   // Perform cleanup work for single-process mode.
   void RunSingleProcessCleanupOnUIThread();
 
-  scoped_refptr<base::SequencedTaskRunner> render_task_runner_;
+  scoped_refptr<base::SingleThreadTaskRunner> render_task_runner_;
   std::unique_ptr<CefRenderThreadObserver> observer_;
   std::unique_ptr<web_cache::WebCacheImpl> web_cache_impl_;
   std::unique_ptr<SpellCheck> spellcheck_;
diff --git a/libcef/renderer/render_urlrequest_impl.cc b/libcef/renderer/render_urlrequest_impl.cc
index b9757c11b..8498f0b42 100644
--- a/libcef/renderer/render_urlrequest_impl.cc
+++ b/libcef/renderer/render_urlrequest_impl.cc
@@ -8,6 +8,7 @@
 
 #include "libcef/common/request_impl.h"
 #include "libcef/common/response_impl.h"
+#include "libcef/common/task_runner_impl.h"
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ -72,7 +73,7 @@ class CefRenderURLRequest::Context
       : url_request_(url_request),
         request_(request),
         client_(client),
-        task_runner_(base::MessageLoop::current()->task_runner()),
+        task_runner_(CefTaskRunnerImpl::GetCurrentTaskRunner()),
         status_(UR_IO_PENDING),
         error_code_(ERR_NONE),
         upload_data_size_(0),
diff --git a/libcef/renderer/v8_impl.cc b/libcef/renderer/v8_impl.cc
index 3eedd5375..bd07360f1 100644
--- a/libcef/renderer/v8_impl.cc
+++ b/libcef/renderer/v8_impl.cc
@@ -152,7 +152,7 @@ class CefV8IsolateManager {
   }
 
   v8::Isolate* isolate() const { return isolate_; }
-  scoped_refptr<base::SequencedTaskRunner> task_runner() const {
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner() const {
     return task_runner_;
   }
 
@@ -162,7 +162,7 @@ class CefV8IsolateManager {
 
  private:
   v8::Isolate* isolate_;
-  scoped_refptr<base::SequencedTaskRunner> task_runner_;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   typedef std::map<int, scoped_refptr<CefV8ContextState>> ContextMap;
   ContextMap context_map_;
diff --git a/libcef/renderer/v8_impl.h b/libcef/renderer/v8_impl.h
index 796902e73..1c5a60738 100644
--- a/libcef/renderer/v8_impl.h
+++ b/libcef/renderer/v8_impl.h
@@ -14,7 +14,7 @@
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
-#include "base/sequenced_task_runner.h"
+#include "base/single_thread_task_runner.h"
 #include "v8/include/v8.h"
 
 class CefTrackNode;
@@ -103,7 +103,7 @@ class CefV8HandleBase
   bool BelongsToCurrentThread() const;
 
   v8::Isolate* isolate() const { return isolate_; }
-  scoped_refptr<base::SequencedTaskRunner> task_runner() const {
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner() const {
     return task_runner_;
   }
 
@@ -120,7 +120,7 @@ class CefV8HandleBase
 
  protected:
   v8::Isolate* isolate_;
-  scoped_refptr<base::SequencedTaskRunner> task_runner_;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<CefV8ContextState> context_state_;
 };