OOPIF: Send page-level focus messages to all processes rendering a page.

content/browser/renderer_host/render_widget_host_delegate.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_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace blink {
 class WebMouseWheelEvent;
 class WebGestureEvent;
 }
 
 namespace gfx {
 class Point;
 }
 
+namespace IPC {
+class Message;
+}
+
 namespace content {
 
 class BrowserAccessibilityManager;
 class RenderWidgetHostImpl;
 class RenderWidgetHostInputEventRouter;
 struct NativeWebKeyboardEvent;
 
 //
 // RenderWidgetHostDelegate
 //
@@ skipping 56 matching lines @@
 
   // Requests the renderer to move the selection extent to a new position.
   virtual void MoveRangeSelectionExtent(const gfx::Point& extent) {}
 
   // Requests the renderer to select the region between two points in the
   // currently focused frame.
   virtual void SelectRange(const gfx::Point& base, const gfx::Point& extent) {}
 
   virtual RenderWidgetHostInputEventRouter* GetInputEventRouter();
 
+  // Updates focus state in all RenderWidgets that live in a different process
+  // than the main frame's RenderWidget. Such RenderWidgets will exist when
+  // out-of-process iframes are enabled.
+  virtual void SendFocusToCrossProcessRenderWidgets(bool is_focused) {}
+
 #if defined(OS_WIN)
   virtual gfx::NativeViewAccessible GetParentNativeViewAccessible();
 #endif
 
  protected:
   virtual ~RenderWidgetHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_DELEGATE_H_