Start caching the theme color in web_contents

content/browser/renderer_host/render_widget_host_view_android.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include <map>
 #include <queue>
 
@@ skipping 121 matching lines @@
   void Destroy() override;
   void SetTooltipText(const base::string16& tooltip_text) override;
   void SelectionChanged(const base::string16& text,
                         size_t offset,
                         const gfx::Range& range) override;
   void SelectionBoundsChanged(
       const ViewHostMsg_SelectionBounds_Params& params) override;
   void AcceleratedSurfaceInitialized(int route_id) override;
   bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
   void SetBackgroundColor(SkColor color) override;
+  void SetThemeColor(SkColor color) override;
   void CopyFromCompositingSurface(const gfx::Rect& src_subrect,
                                   const gfx::Size& dst_size,
                                   ReadbackRequestCallback& callback,
                                   const SkColorType color_type) override;
   void CopyFromCompositingSurfaceToVideoFrame(
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
       const base::Callback<void(bool)>& callback) override;
   bool CanCopyToVideoFrame() const override;
   void GetScreenInfo(blink::WebScreenInfo* results) override;
@@ skipping 89 matching lines @@
   void GetScaledContentBitmap(float scale,
                               SkColorType color_type,
                               gfx::Rect src_subrect,
                               ReadbackRequestCallback& result_callback);
 
   scoped_refptr<cc::DelegatedRendererLayer>
       CreateDelegatedLayerForFrameProvider() const;
 
   bool HasValidFrame() const;
 
+  SkColor GetThemeColor() const;
+
   void MoveCaret(const gfx::Point& point);
   void DismissTextHandles();
   void SetTextHandlesTemporarilyHidden(bool hidden);
   void OnShowingPastePopup(const gfx::PointF& point);
   void OnShowUnhandledTapUIIfNeeded(int x_dip, int y_dip);
 
   void SynchronousFrameMetadata(
       const cc::CompositorFrameMetadata& frame_metadata);
 
   void SetOverlayVideoMode(bool enabled);
@@ skipping 81 matching lines @@
   bool is_showing_;
 
   // ContentViewCoreImpl is our interface to the view system.
   ContentViewCoreImpl* content_view_core_;
 
   ImeAdapterAndroid ime_adapter_android_;
 
   // Body background color of the underlying document.
   SkColor cached_background_color_;
 
+  // Theme color for the underlying document.
+  SkColor cached_theme_color_;
+
   scoped_refptr<cc::DelegatedFrameResourceCollection> resource_collection_;
   scoped_refptr<cc::DelegatedFrameProvider> frame_provider_;
   scoped_refptr<cc::DelegatedRendererLayer> layer_;
 
   // The most recent texture size that was pushed to the texture layer.
   gfx::Size texture_size_in_layer_;
 
   // The most recent content size that was pushed to the texture layer.
   gfx::Size content_size_in_layer_;
 
@@ skipping 48 matching lines @@
   gfx::Vector2dF last_scroll_offset_;
 
   base::WeakPtrFactory<RenderWidgetHostViewAndroid> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_