PlzNavigate: Support data urls

content/renderer/render_frame_impl.h

 // Copyright 2013 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 CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 688 matching lines @@
   bool PrepareRenderViewForNavigation(
       const GURL& url,
       bool check_for_stale_navigation,
       bool is_history_navigation,
       int current_history_list_offset,
       bool* is_reload,
       blink::WebURLRequest::CachePolicy* cache_policy);
 
   // PlzNavigate
   // Sends a FrameHostMsg_BeginNavigation to the browser based on the contents
-  // of the WebURLRequest.
-  void BeginNavigation(blink::WebURLRequest* request);
+  // of the WebURLRequest. Returns whether a network request should be made for
+  // the navigation.
+  bool BeginNavigation(blink::WebURLRequest* request);
+
+  // Loads a data url.
+  void LoadDataURL(const CommonNavigationParams& params,
+                   blink::WebFrame* frame);
 
   // Returns the URL being loaded by the |frame_|'s request.
   GURL GetLoadingUrl() const;
 
 #if defined(OS_ANDROID)
   blink::WebMediaPlayer* CreateAndroidWebMediaPlayer(
       const blink::WebURL& url,
       blink::WebMediaPlayerClient* client,
       media::MediaPermission* media_permission,
       blink::WebContentDecryptionModule* initial_cdm);
@@ skipping 148 matching lines @@
 #endif
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_