Start caching the theme color in web_contents

content/browser/renderer_host/render_widget_host_view_base.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_base.h"
 
 #include "base/logging.h"
 #include "base/profiler/scoped_tracker.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
@@ skipping 385 matching lines @@
 }
 
 void RenderWidgetHostViewBase::SetBackgroundColorToDefault() {
   SetBackgroundColor(SK_ColorWHITE);
 }
 
 bool RenderWidgetHostViewBase::GetBackgroundOpaque() {
   return SkColorGetA(background_color_) == SK_AlphaOPAQUE;
 }
 
+void RenderWidgetHostViewBase::SetThemeColor(SkColor color) {
+}
+
 gfx::Size RenderWidgetHostViewBase::GetPhysicalBackingSize() const {
   gfx::NativeView view = GetNativeView();
   gfx::Display display =
       gfx::Screen::GetScreenFor(view)->GetDisplayNearestWindow(view);
   return gfx::ToCeiledSize(gfx::ScaleSize(GetRequestedRendererSize(),
                                           display.device_scale_factor()));
 }
 
 bool RenderWidgetHostViewBase::DoTopControlsShrinkBlinkSize() const {
   return false;
@@ skipping 281 matching lines @@
 
   return primary_landscape_angle == angle
       ? blink::WebScreenOrientationLandscapePrimary
       : blink::WebScreenOrientationLandscapeSecondary;
 }
 
 void RenderWidgetHostViewBase::OnDidNavigateMainFrameToNewPage() {
 }
 
 }  // namespace content