[Android WebView] Terminate execution of stuck JS code on navigation requests

android_webview/renderer/aw_content_renderer_client.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ANDROID_WEBVIEW_RENDERER_AW_CONTENT_RENDERER_CLIENT_H_
 #define ANDROID_WEBVIEW_RENDERER_AW_CONTENT_RENDERER_CLIENT_H_
 
 #include "content/public/renderer/content_renderer_client.h"
 
 #include "android_webview/renderer/aw_render_process_observer.h"
 #include "base/compiler_specific.h"
 
 namespace visitedlink {
 class VisitedLinkSlave;
 }
 
 namespace android_webview {
 
-class AwContentRendererClient : public content::ContentRendererClient {
+class AwExecutionTerminationFilter;
+
+class AwContentRendererClient : public content::ContentRendererClient,
+                                public content::RenderProcessObserver {
  public:
   AwContentRendererClient();
   virtual ~AwContentRendererClient();
 
   // ContentRendererClient implementation.
   virtual void RenderThreadStarted() OVERRIDE;
   virtual void RenderFrameCreated(content::RenderFrame* render_frame) OVERRIDE;
   virtual void RenderViewCreated(content::RenderView* render_view) OVERRIDE;
   virtual std::string GetDefaultEncoding() OVERRIDE;
   virtual bool HasErrorPage(int http_status_code,
@@ skipping 13 matching lines @@
 
   virtual bool HandleNavigation(content::RenderFrame* render_frame,
                                 content::DocumentState* document_state,
                                 int opener_id,
                                 blink::WebFrame* frame,
                                 const blink::WebURLRequest& request,
                                 blink::WebNavigationType type,
                                 blink::WebNavigationPolicy default_policy,
                                 bool is_redirect) OVERRIDE;
 
+  // content::RenderProcessObserver implementation.
+  virtual void WebKitInitialized() OVERRIDE;
+
  private:
   scoped_ptr<AwRenderProcessObserver> aw_render_process_observer_;
   scoped_ptr<visitedlink::VisitedLinkSlave> visited_link_slave_;
+  scoped_refptr<AwExecutionTerminationFilter> execution_termination_filter_;
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_RENDERER_AW_CONTENT_RENDERER_CLIENT_H_