Consistently use LoFi for an entire page

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index cdb56e533a78b10b12a1ad1dca3704399a510418..13216f005fb18e56d8e1b60d62b4115bf7bc499c 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -37,6 +37,7 @@
 #include "content/child/request_extra_data.h"
 #include "content/child/v8_value_converter_impl.h"
 #include "content/child/webmessageportchannel_impl.h"
+#include "content/child/weburlresponse_extradata_impl.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/database_messages.h"
 #include "content/common/dom_storage/dom_storage_types.h"
@@ -45,6 +46,7 @@
 #include "content/common/frame_replication_state.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/input_messages.h"
+#include "content/common/navigation_params.h"
 #include "content/common/pepper_messages.h"
 #include "content/common/site_isolation_policy.h"
 #include "content/common/ssl_status_serialization.h"
@@ -712,7 +714,7 @@ void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
   }
 
   if (main_render_frame_)
-    main_render_frame_->Initialize();
+    main_render_frame_->Initialize(LOFI_DEFAULT);
 
 #if defined(OS_ANDROID)
   content_detectors_.push_back(linked_ptr<ContentDetector>(
@@ -2869,7 +2871,11 @@ void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
 }
 
 void RenderViewImpl::OnClosePage() {
-  FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
+  WebURLResponseExtraDataImpl* extra_data =
+      static_cast<WebURLResponseExtraDataImpl*>(
+          webview()->mainFrame()->dataSource()->response().extraData());
+  FOR_EACH_OBSERVER(RenderViewObserver, observers_,
+                    ClosePage(extra_data ? extra_data->is_lofi() : false));
   // TODO(creis): We'd rather use webview()->Close() here, but that currently
   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
   // in the onunload handler from appearing.  For now, we're bypassing that and