Consistently use LoFi for an entire page

content/child/request_extra_data.h

Index: content/child/request_extra_data.h
diff --git a/content/child/request_extra_data.h b/content/child/request_extra_data.h
index 614d9fc321cb528f0584ed885d0726cddd39f708..a3ceaf5143cc95829b8b2ff750d298125a40c07a 100644
--- a/content/child/request_extra_data.h
+++ b/content/child/request_extra_data.h
@@ -8,6 +8,7 @@
 #include "base/compiler_specific.h"
 #include "content/child/web_url_loader_impl.h"
 #include "content/common/content_export.h"
+#include "content/common/navigation_params.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
@@ -86,6 +87,12 @@ class CONTENT_EXPORT RequestExtraData
       int service_worker_provider_id) {
     service_worker_provider_id_ = service_worker_provider_id;
   }
+  LoFiState lofi_state() const {
+    return lofi_state_;
+  }
+  void set_lofi_state(LoFiState lofi_state) {
+    lofi_state_ = lofi_state;
+  }
   // |custom_user_agent| is used to communicate an overriding custom user agent
   // to |RenderViewImpl::willSendRequest()|; set to a null string to indicate no
   // override and an empty string to indicate that there should be no user
@@ -130,6 +137,7 @@ class CONTENT_EXPORT RequestExtraData
   blink::WebString custom_user_agent_;
   blink::WebString requested_with_;
   scoped_ptr<StreamOverrideParameters> stream_override_;
+  LoFiState lofi_state_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestExtraData);
 };