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 baf0dbac86bc2abac093285b18a1846e8ac37d8b..31e532f6f4b815a5f418f0ac04f5030abccbe649 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -19,6 +19,7 @@
 #include "content/common/frame_message_enums.h"
 #include "content/common/mojo/service_registry_impl.h"
 #include "content/public/common/console_message_level.h"
+#include "content/public/common/data_reduction_proxy_lofi_user_data.h"
 #include "content/public/common/javascript_message_type.h"
 #include "content/public/common/referrer.h"
 #include "content/public/renderer/render_frame.h"
@@ -219,7 +220,7 @@ 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 = LOFI_DEFAULT);
 
   // Notifications from RenderWidget.
   void WasHidden();
@@ -363,6 +364,7 @@ class CONTENT_EXPORT RenderFrameImpl
                                       v8::Local<v8::Context> context) override;
   void AddMessageToConsole(ConsoleMessageLevel level,
                            const std::string& message) override;
+  bool IsLoFiOn() override;
 
   // blink::WebFrameClient implementation:
   virtual blink::WebPlugin* createPlugin(blink::WebLocalFrame* frame,
@@ -1028,6 +1030,9 @@ 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_;