Clear page display after navigation if no rendered output arrives

content/browser/renderer_host/render_widget_host_view_aura.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include <set>
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
@@ skipping 1170 matching lines @@
   delegated_frame_host_->SwapDelegatedFrame(
       output_surface_id, frame->delegated_frame_data.Pass(),
       frame->metadata.device_scale_factor, frame->metadata.latency_info,
       &frame->metadata.satisfies_sequences);
   SelectionUpdated(frame->metadata.selection.is_editable,
                    frame->metadata.selection.is_empty_text_form_control,
                    ConvertSelectionBound(frame->metadata.selection.start),
                    ConvertSelectionBound(frame->metadata.selection.end));
 }
 
+void RenderWidgetHostViewAura::ClearCompositorFrame() {
+  delegated_frame_host_->ClearDelegatedFrame();
+}
+
 void RenderWidgetHostViewAura::DidStopFlinging() {
   selection_controller_client_->OnScrollCompleted();
 }
 
 #if defined(OS_WIN)
 void RenderWidgetHostViewAura::SetParentNativeViewAccessible(
     gfx::NativeViewAccessible accessible_parent) {
 }
 
 gfx::NativeViewId RenderWidgetHostViewAura::GetParentForWindowlessPlugin()
@@ skipping 1681 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewBase, public:
 
 // static
 void RenderWidgetHostViewBase::GetDefaultScreenInfo(WebScreenInfo* results) {
   GetScreenInfoForWindow(results, NULL);
 }
 
 }  // namespace content