Add support for latency measurement to Telemetry smoothness benchmarks.

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 "base/string16.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
+#include "content/common/browser_rendering_stats.h"
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/navigation_gesture.h"
 #include "content/common/pepper_renderer_instance_data.h"
 #include "content/common/view_message_enums.h"
 #include "content/port/common/input_event_ack_state.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/favicon_url.h"
 #include "content/public/common/file_chooser_params.h"
@@ skipping 265 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(params)
   IPC_STRUCT_TRAITS_MEMBER(time)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(ui::SelectedFileInfo)
   IPC_STRUCT_TRAITS_MEMBER(file_path)
   IPC_STRUCT_TRAITS_MEMBER(local_path)
   IPC_STRUCT_TRAITS_MEMBER(display_name)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::BrowserRenderingStats)
+  IPC_STRUCT_TRAITS_MEMBER(input_event_count)
+  IPC_STRUCT_TRAITS_MEMBER(total_input_latency)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWindow_Params)
   // Routing ID of the view initiating the open.
   IPC_STRUCT_MEMBER(int, opener_id)
 
   // True if this open request came in the context of a user gesture.
   IPC_STRUCT_MEMBER(bool, user_gesture)
 
   // Type of window requested.
   IPC_STRUCT_MEMBER(WindowContainerType, window_container_type)
 
@@ skipping 593 matching lines @@
 IPC_MESSAGE_ROUTED3(ViewMsg_Find,
                     int /* request_id */,
                     string16 /* search_text */,
                     WebKit::WebFindOptions)
 
 // This message notifies the renderer that the user has closed the FindInPage
 // window (and what action to take regarding the selection).
 IPC_MESSAGE_ROUTED1(ViewMsg_StopFinding,
                     content::StopFindAction /* action */)
 
+// Informs the renderer about various statistics the browser has (e.g.
+// latency) regarding the frames that have been displayed.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetBrowserRenderingStats,
+                    content::BrowserRenderingStats /* stats */)
+
 // Replaces a date time input field.
 IPC_MESSAGE_ROUTED1(ViewMsg_ReplaceDateTime,
                     ViewHostMsg_DateTimeDialogValue_Params /* value */)
 
 // Copies the image at location x, y to the clipboard (if there indeed is an
 // image at that location).
 IPC_MESSAGE_ROUTED2(ViewMsg_CopyImageAt,
                     int /* x */,
                     int /* y */)
 
@@ skipping 1389 matching lines @@
 // Since the browser keeps handles to the allocated transport DIBs, this
 // message is sent to tell the browser that it may release them when the
 // renderer is finished with them.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_FreeTransportDIB,
                      TransportDIB::Id /* DIB id */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.