Move keyboard related methods from RenderViewHostDelegate to a new RenderWidgetHostDelegate

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_RENDER_WIDGET_HOST_DELEGATE_H_
+#define CONTENT_BROWSER_RENDER_WIDGET_HOST_DELEGATE_H_
+#pragma once
+
+struct NativeWebKeyboardEvent;
+
+namespace content {
+
+//
+// RenderWidgetHostDelegate
+//
+//  An interface implemented by an object interested in knowing about the state
+//  of the RenderWidgetHost.
+class RenderWidgetHostDelegate {
+ public:
+  // Callback to give the browser a chance to handle the specified keyboard
+  // event before sending it to the renderer.
+  // Returns true if the |event| was handled. Otherwise, if the |event| would
+  // be handled in HandleKeyboardEvent() method as a normal keyboard shortcut,
+  // |*is_keyboard_shortcut| should be set to true.
+  virtual bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
+                                      bool* is_keyboard_shortcut);
+
+  // Callback to inform the browser that the renderer did not process the
+  // specified events. This gives an opportunity to the browser to process the
+  // event (used for keyboard shortcuts).
+  virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event) {}
+
+ protected:
+  virtual ~RenderWidgetHostDelegate() {}
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDER_WIDGET_HOST_DELEGATE_H_