Add a completion callback to gpuBenchmarking.beginSmoothScroll

content/common/view_messages.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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
@@ skipping 873 matching lines @@
 // Ack goes directly from browser -> renderer. This is not used for the threaded
 // compositor path.
 IPC_MESSAGE_ROUTED0(ViewMsg_SwapBuffers_ACK)
 
 // Message payload includes:
 // 1. A blob that should be cast to WebInputEvent
 // 2. An optional boolean value indicating if a RawKeyDown event is associated
 //    to a keyboard shortcut of the browser.
 IPC_MESSAGE_ROUTED0(ViewMsg_HandleInputEvent)
 
+// Tells the render widget that a smooth scroll completed.
+IPC_MESSAGE_ROUTED1(ViewMsg_SmoothScrollCompleted,
+                    int /* gesture_id */)
+
 // This message notifies the renderer that the next key event is bound to one
 // or more pre-defined edit commands. If the next key event is not handled
 // by webkit, the specified edit commands shall be executed against current
 // focused frame.
 // Parameters
 // * edit_commands (see chrome/common/edit_command_types.h)
 //   Contains one or more edit commands.
 // See third_party/WebKit/Source/WebCore/editing/EditorCommand.cpp for detailed
 // definition of webkit edit commands.
 //
@@ skipping 685 matching lines @@
 // Sent by the renderer when accelerated compositing is enabled or disabled to
 // notify the browser whether or not is should do painting.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidActivateAcceleratedCompositing,
                     bool /* true if the accelerated compositor is actve */)
 
 // Acknowledges receipt of a ViewMsg_HandleInputEvent message.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_HandleInputEvent_ACK,
                     WebKit::WebInputEvent::Type,
                     bool /* processed */)
 
-IPC_MESSAGE_ROUTED2(ViewHostMsg_BeginSmoothScroll,
+IPC_MESSAGE_ROUTED3(ViewHostMsg_BeginSmoothScroll,
+                    int /* gesture_id */,
                     bool /* scroll_down */,
                     bool /* scroll_far */)
 
 IPC_MESSAGE_ROUTED0(ViewHostMsg_Focus)
 IPC_MESSAGE_ROUTED0(ViewHostMsg_Blur)
 
 // Message sent from renderer to the browser when focus changes inside the
 // webpage. The parameter says whether the newly focused element needs
 // keyboard input (true for textfields, text areas and content editable divs).
 IPC_MESSAGE_ROUTED1(ViewHostMsg_FocusedNodeChanged,
@@ skipping 570 matching lines @@
 // (according to the value of is_hung). The browser can give the user the
 // option of killing the plugin.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_PepperPluginHung,
                     int /* plugin_child_id */,
                     FilePath /* path */,
                     bool /* is_hung */)
 
 // Screen was rotated. Dispatched to the onorientationchange javascript API.
 IPC_MESSAGE_ROUTED1(ViewMsg_OrientationChangeEvent,
                     int /* orientation */)