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 4c58e59a74d60e8b1494b4bf1ada13b6e800022f..a9e1069007d9a91e75da7cc718c017311f6ee609 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -18,6 +18,7 @@
 #include "content/common/accessibility_mode_enums.h"
 #include "content/common/frame_message_enums.h"
 #include "content/common/mojo/service_registry_impl.h"
+#include "content/common/navigation_params.h"
 #include "content/public/common/console_message_level.h"
 #include "content/public/common/javascript_message_type.h"
 #include "content/public/common/referrer.h"
@@ -216,7 +217,7 @@ 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(LoFiState lofi_state);
 
   // Notifications from RenderWidget.
   void WasHidden();
@@ -1025,6 +1026,9 @@ class CONTENT_EXPORT RenderFrameImpl
 
   scoped_ptr<blink::WebUSBClient> usb_client_;
 
+  // Whether or not to use Lo-Fi for this frame or let the browser decide.
+  LoFiState lofi_state_;
+
 #if defined(ENABLE_WEBVR)
   // The VR dispatcher attached to the frame, lazily initialized.
   scoped_ptr<VRDispatcher> vr_dispatcher_;