cef/patch/patches/content_nav_1129.patch

diff --git public/renderer/content_renderer_client.cc public/renderer/content_renderer_client.cc
index 95af2f7..c7270f1 100644
--- public/renderer/content_renderer_client.cc
+++ public/renderer/content_renderer_client.cc
@@ -101,6 +101,18 @@ bool ContentRendererClient::AllowPopup() {
   return false;
 }
 
+bool ContentRendererClient::HandleNavigation(
+    RenderFrame* render_frame,
+    DocumentState* document_state,
+    int opener_id,
+    blink::WebFrame* frame,
+    const blink::WebURLRequest& request,
+    blink::WebNavigationType type,
+    blink::WebNavigationPolicy default_policy,
+    bool is_redirect) {
+  return false;
+}
+
 bool ContentRendererClient::ShouldFork(blink::WebLocalFrame* frame,
                                        const GURL& url,
                                        const std::string& http_method,
diff --git public/renderer/content_renderer_client.h public/renderer/content_renderer_client.h
index ebb7f44..3f77142 100644
--- public/renderer/content_renderer_client.h
+++ public/renderer/content_renderer_client.h
@@ -16,6 +16,8 @@
 #include "base/strings/string16.h"
 #include "content/public/common/content_client.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
+#include "third_party/WebKit/public/web/WebNavigationPolicy.h"
+#include "third_party/WebKit/public/web/WebNavigationType.h"
 #include "ui/base/page_transition_types.h"
 #include "v8/include/v8.h"
 
@@ -196,6 +198,17 @@ class CONTENT_EXPORT ContentRendererClient {
   // Returns true if a popup window should be allowed.
   virtual bool AllowPopup();
 
+  // Returns true if the navigation was handled by the embedder and should be
+  // ignored by WebKit. This method is used by CEF and android_webview.
+  virtual bool HandleNavigation(RenderFrame* render_frame,
+                                DocumentState* document_state,
+                                int opener_id,
+                                blink::WebFrame* frame,
+                                const blink::WebURLRequest& request,
+                                blink::WebNavigationType type,
+                                blink::WebNavigationPolicy default_policy,
+                                bool is_redirect);
+
   // Returns true if we should fork a new process for the given navigation.
   // If |send_referrer| is set to false (which is the default), no referrer
   // header will be send for the navigation. Otherwise, the referrer header is
diff --git renderer/render_frame_impl.cc renderer/render_frame_impl.cc
index 05e6ad6..4c02fc8 100644
--- renderer/render_frame_impl.cc
+++ renderer/render_frame_impl.cc
@@ -4195,6 +4195,19 @@ void RenderFrameImpl::OnFailedNavigation(
 WebNavigationPolicy RenderFrameImpl::DecidePolicyForNavigation(
     RenderFrame* render_frame,
     const NavigationPolicyInfo& info) {
+  if (info.urlRequest.url() != GURL(kSwappedOutURL) &&
+      GetContentClient()->renderer()->HandleNavigation(
+          render_frame,
+          static_cast<DocumentState*>(info.extraData),
+          render_view_->opener_id_,
+          info.frame,
+          info.urlRequest,
+          info.navigationType,
+          info.defaultPolicy,
+          info.isRedirect)) {
+    return blink::WebNavigationPolicyIgnore;
+  }
+
   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(info.frame,
                                                            info.urlRequest));