Start caching the theme color in web_contents

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 339fec9359479b8e4d1c9ffaf578260748595c82..3507006c21351568998dfe9edae709674c8610a5 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -361,6 +361,7 @@ RenderWidgetHostViewAndroid::RenderWidgetHostViewAndroid(
       content_view_core_(NULL),
       ime_adapter_android_(this),
       cached_background_color_(SK_ColorWHITE),
+      cached_theme_color_(SK_ColorWHITE),
       last_output_surface_id_(kUndefinedOutputSurfaceId),
       gesture_provider_(CreateGestureProviderConfig(), this),
       stylus_text_selector_(this),
@@ -937,6 +938,14 @@ void RenderWidgetHostViewAndroid::SetBackgroundColor(SkColor color) {
   OnDidChangeBodyBackgroundColor(color);
 }
 
+void RenderWidgetHostViewAndroid::SetThemeColor(SkColor color) {
+  cached_theme_color_ = color;
+}
+
+SkColor RenderWidgetHostViewAndroid::GetThemeColor() const {
+  return cached_theme_color_;
+}
+
 void RenderWidgetHostViewAndroid::CopyFromCompositingSurface(
     const gfx::Rect& src_subrect,
     const gfx::Size& dst_size,