diff --git content_browser_client.cc content_browser_client.cc
index 8f3d06c..e67e698 100644
--- content_browser_client.cc
+++ content_browser_client.cc
@@ -278,6 +278,10 @@ bool ContentBrowserClient::IsFastShutdownPossible() {
   return true;
 }
 
+SkColor ContentBrowserClient::GetBaseBackgroundColor(RenderViewHost* rvh) {
+  return SK_ColorWHITE;
+}
+
 base::FilePath ContentBrowserClient::GetDefaultDownloadDirectory() {
   return base::FilePath();
 }
diff --git content_browser_client.h content_browser_client.h
index d2ae7a0..a5b36d5 100644
--- content_browser_client.h
+++ content_browser_client.h
@@ -28,6 +28,7 @@
 #include "net/url_request/url_request_interceptor.h"
 #include "net/url_request/url_request_job_factory.h"
 #include "storage/browser/fileapi/file_system_context.h"
+#include "third_party/skia/include/core/SkColor.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "ui/base/window_open_disposition.h"
 
@@ -509,6 +510,9 @@ class CONTENT_EXPORT ContentBrowserClient {
   // Clears browser cookies.
   virtual void ClearCookies(RenderViewHost* rvh) {}
 
+  // Returns the base background color.
+  virtual SkColor GetBaseBackgroundColor(RenderViewHost* rvh);
+
   // Returns the default download directory.
   // This can be called on any thread.
   virtual base::FilePath GetDefaultDownloadDirectory();
diff --git web_contents.cc web_contents.cc
index 6768411..1dd382b 100644
--- web_contents.cc
+++ web_contents.cc
@@ -17,7 +17,9 @@ WebContents::CreateParams::CreateParams(BrowserContext* context)
       main_frame_routing_id(MSG_ROUTING_NONE),
       initially_hidden(false),
       guest_delegate(nullptr),
-      context(nullptr) {}
+      context(nullptr),
+      view(nullptr),
+      delegate_view(nullptr) {}
 
 WebContents::CreateParams::CreateParams(
     BrowserContext* context, SiteInstance* site)
@@ -29,7 +31,9 @@ WebContents::CreateParams::CreateParams(
       main_frame_routing_id(MSG_ROUTING_NONE),
       initially_hidden(false),
       guest_delegate(nullptr),
-      context(nullptr) {}
+      context(nullptr),
+      view(nullptr),
+      delegate_view(nullptr) {}
 
 WebContents::CreateParams::~CreateParams() {
 }
diff --git web_contents.h web_contents.h
index 879e8d8..0287912 100644
--- web_contents.h
+++ web_contents.h
@@ -52,9 +52,11 @@ class PageState;
 class RenderFrameHost;
 class RenderProcessHost;
 class RenderViewHost;
+class RenderViewHostDelegateView;
 class RenderWidgetHostView;
 class SiteInstance;
 class WebContentsDelegate;
+class WebContentsView;
 struct CustomContextMenuContext;
 struct DropData;
 struct Manifest;
@@ -122,6 +124,10 @@ class WebContents : public PageNavigator,
     // Used to specify the location context which display the new view should
     // belong. This can be nullptr if not needed.
     gfx::NativeView context;
+    
+    // Optionally specify the view and delegate view.
+    content::WebContentsView* view;
+    content::RenderViewHostDelegateView* delegate_view;
   };
 
   // Creates a new WebContents.
diff --git web_contents_delegate.cc web_contents_delegate.cc
index 461927c..2217377 100644
--- web_contents_delegate.cc
+++ web_contents_delegate.cc
@@ -137,7 +137,9 @@ bool WebContentsDelegate::ShouldCreateWebContents(
     const base::string16& frame_name,
     const GURL& target_url,
     const std::string& partition_id,
-    SessionStorageNamespace* session_storage_namespace) {
+    SessionStorageNamespace* session_storage_namespace,
+    content::WebContentsView** view,
+    content::RenderViewHostDelegateView** delegate_view) {
   return true;
 }
 
diff --git web_contents_delegate.h web_contents_delegate.h
index 13d1c1d..ddf88d8 100644
--- web_contents_delegate.h
+++ web_contents_delegate.h
@@ -36,9 +36,11 @@ class DownloadItem;
 class JavaScriptDialogManager;
 class PageState;
 class RenderViewHost;
+class RenderViewHostDelegateView;
 class SessionStorageNamespace;
 class WebContents;
 class WebContentsImpl;
+class WebContentsView;
 struct ColorSuggestion;
 struct ContextMenuParams;
 struct DropData;
@@ -314,7 +316,9 @@ class CONTENT_EXPORT WebContentsDelegate {
       const base::string16& frame_name,
       const GURL& target_url,
       const std::string& partition_id,
-      SessionStorageNamespace* session_storage_namespace);
+      SessionStorageNamespace* session_storage_namespace,
+      content::WebContentsView** view,
+      content::RenderViewHostDelegateView** delegate_view);
 
   // Notifies the delegate about the creation of a new WebContents. This
   // typically happens when popups are created.