Enhance chrome.app.window API with window background color

content/browser/renderer_host/render_widget_host_impl.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_impl.h"
 
 #include <math.h>
 
 #include <set>
 #include <tuple>
@@ skipping 2228 matching lines @@
 }
 
 bool RenderWidgetHostImpl::ShouldDropInputEvents() const {
   return ignore_input_events_ || process_->IgnoreInputEvents() || !delegate_;
 }
 
 void RenderWidgetHostImpl::SetBackgroundOpaque(bool opaque) {
   Send(new ViewMsg_SetBackgroundOpaque(GetRoutingID(), opaque));
 }
 
+void RenderWidgetHostImpl::SetBaseBackgroundColor(SkColor color) {
+  Send(new ViewMsg_SetBaseBackgroundColor(GetRoutingID(), color));
+}
+
 void RenderWidgetHostImpl::ExecuteEditCommand(const std::string& command,
                                               const std::string& value) {
   Send(new InputMsg_ExecuteEditCommand(GetRoutingID(), command, value));
 }
 
 void RenderWidgetHostImpl::ScrollFocusedEditableNodeIntoRect(
     const gfx::Rect& rect) {
   Send(new InputMsg_ScrollFocusedEditableNodeIntoRect(GetRoutingID(), rect));
 }
 
@@ skipping 246 matching lines @@
     // different from the receiver's.
     file_system_file.url =
         GURL(storage::GetIsolatedFileSystemRootURIString(
                  file_system_url.origin(), filesystem_id, std::string())
                  .append(register_name));
     file_system_file.filesystem_id = filesystem_id;
   }
 }
 
 }  // namespace content