Consistently use LoFi for an entire page

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index 0189577e4e493ebf96418659b1617418041deedb..3291ef12a47df0e2a7982ea783ede38a70564646 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -225,7 +225,7 @@ class CONTENT_EXPORT RenderFrameImpl
   // This method must be called after the frame has been added to the frame
   // tree. It creates all objects that depend on the frame being at its proper
   // spot.
-  void Initialize();
+  void Initialize(bool is_using_lofi = false);

[nasko, 2015/10/01 18:28:57]

No default values are allowed by the style guide. What I suggested is
initializing this to a default value in the method itself. AFAIR, we concluded
that in all cases of Initialize, the value will be DEFAULT.

[megjablon, 2015/10/01 19:43:25]

Ah sorry I misunderstood. 

 
   // Notifications from RenderWidget.
   void WasHidden();
@@ -370,6 +370,7 @@ class CONTENT_EXPORT RenderFrameImpl
                                       v8::Local<v8::Context> context) override;
   void AddMessageToConsole(ConsoleMessageLevel level,
                            const std::string& message) override;
+  bool IsUsingLoFi() override;
 
   // blink::WebFrameClient implementation:
   blink::WebPlugin* createPlugin(blink::WebLocalFrame* frame,
@@ -1051,6 +1052,9 @@ class CONTENT_EXPORT RenderFrameImpl
 
   scoped_ptr<blink::WebUSBClient> usb_client_;
 
+  // Whether or not to use Lo-Fi for this frame.

[nasko, 2015/10/01 18:28:57]

"Whether or not this RenderFrame is using Lo-Fi mode."

[megjablon, 2015/10/01 19:43:25]

Done.

+  bool is_using_lofi_;
+
 #if defined(ENABLE_WEBVR)
   // The VR dispatcher attached to the frame, lazily initialized.
   scoped_ptr<VRDispatcher> vr_dispatcher_;