Index: public/renderer/content_renderer_client.cc
===================================================================
--- public/renderer/content_renderer_client.cc	(revision 165669)
+++ public/renderer/content_renderer_client.cc	(working copy)
@@ -56,6 +56,15 @@
   return false;
 }
 
+bool ContentRendererClient::HandleNavigation(
+    WebKit::WebFrame* frame,
+    const WebKit::WebURLRequest& request,
+    WebKit::WebNavigationType type,
+    WebKit::WebNavigationPolicy default_policy,
+    bool is_redirect) {
+  return false;
+}
+
 bool ContentRendererClient::ShouldFork(WebKit::WebFrame* frame,
                                        const GURL& url,
                                        bool is_initial_navigation,
Index: public/renderer/content_renderer_client.h
===================================================================
--- public/renderer/content_renderer_client.h	(revision 165669)
+++ public/renderer/content_renderer_client.h	(working copy)
@@ -12,6 +12,8 @@
 #include "ipc/ipc_message.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/page_transition_types.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebNavigationPolicy.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebNavigationType.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPageVisibilityState.h"
 #include "v8/include/v8.h"
 
@@ -130,6 +132,14 @@
   // Returns true if the given url can create popup windows.
   virtual bool AllowPopup(const GURL& creator);
 
+  // Returns true if the navigation was handled by the embedder and should be
+  // ignored by WebKit. This method is used by CEF.
+  virtual bool HandleNavigation(WebKit::WebFrame* frame,
+                                const WebKit::WebURLRequest& request,
+                                WebKit::WebNavigationType type,
+                                WebKit::WebNavigationPolicy default_policy,
+                                bool is_redirect);
+
   // Returns true if we should fork a new process for the given navigation.
   virtual bool ShouldFork(WebKit::WebFrame* frame,
                           const GURL& url,
Index: renderer/render_view_impl.cc
===================================================================
--- renderer/render_view_impl.cc	(revision 165669)
+++ renderer/render_view_impl.cc	(working copy)
@@ -2674,6 +2674,13 @@
 WebNavigationPolicy RenderViewImpl::decidePolicyForNavigation(
     WebFrame* frame, const WebURLRequest& request, WebNavigationType type,
     const WebNode&, WebNavigationPolicy default_policy, bool is_redirect) {
+  if (request.url() != GURL(kSwappedOutURL) &&
+      GetContentClient()->renderer()->HandleNavigation(frame, request, type,
+                                                       default_policy,
+                                                       is_redirect)) {
+    return WebKit::WebNavigationPolicyIgnore;
+  }
+
   Referrer referrer(
       GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
       GetReferrerPolicyFromRequest(frame, request));