Add latency measurement system

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"
@@ skipping 31 matching lines @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebScreenInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebTextDirection.h"
 #include "ui/base/dialogs/selected_file_info.h"
 #include "ui/base/ime/text_input_type.h"
 #include "ui/base/range/range.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 #include "ui/gfx/vector2d.h"
+#include "webkit/compositor_bindings/web_latency_info_impl.h"
 #include "webkit/glue/webcookie.h"
 #include "webkit/glue/webmenuitem.h"
 #include "webkit/glue/webpreferences.h"
 #include "webkit/plugins/npapi/webplugin.h"
 
 #if defined(OS_MACOSX)
 #include "content/common/mac/font_descriptor.h"
 #endif
 
 #undef IPC_MESSAGE_EXPORT
@@ skipping 327 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(WebKit::WebLatencyInfoImpl)
+  IPC_STRUCT_TRAITS_MEMBER(inputNumber)
+  IPC_STRUCT_TRAITS_MEMBER(rendererMainFrameNumber)
+  IPC_STRUCT_TRAITS_MEMBER(rendererImplFrameNumber)
+  IPC_STRUCT_TRAITS_MEMBER(browserMainFrameNumber)
+  IPC_STRUCT_TRAITS_MEMBER(browserImplFrameNumber)
+  IPC_STRUCT_TRAITS_MEMBER(swapTimestamp)
+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 198 matching lines @@
   // request messages.
   IPC_STRUCT_MEMBER(int, flags)
 
   // Whether or not the renderer expects a ViewMsg_UpdateRect_ACK for this
   // update. True for 2D painting, but false for accelerated compositing.
   IPC_STRUCT_MEMBER(bool, needs_ack)
 
   // All the above coordinates are in DIP. This is the scale factor needed
   // to convert them to pixels.
   IPC_STRUCT_MEMBER(float, scale_factor)
+
+  // The frame number this update rect corresponds to.
+  IPC_STRUCT_MEMBER(WebKit::WebLatencyInfoImpl, latency_info)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(ViewMsg_PostMessage_Params)
   // The serialized script value.
   IPC_STRUCT_MEMBER(string16, data)
 
   // When sent to the browser, this is the routing ID of the source frame in
   // the source process.  The browser replaces it with the routing ID of the
   // equivalent (swapped out) frame in the destination process.
   IPC_STRUCT_MEMBER(int, source_routing_id)
@@ skipping 291 matching lines @@
 
 // Tells the render view that a SwapBuffers was completed. Typically,
 // SwapBuffers requests go from renderer -> GPU process -> browser. Most
 // platforms still use the GfxCxt3D Echo for receiving the SwapBuffers Ack.
 // Using Echo routes the ack from browser -> GPU process -> renderer, while this
 // Ack goes directly from browser -> renderer. This is not used for the threaded
 // compositor path.
 IPC_MESSAGE_ROUTED0(ViewMsg_SwapBuffers_ACK)
 
 // Sends an input event to the render widget.
-IPC_MESSAGE_ROUTED2(ViewMsg_HandleInputEvent,
+IPC_MESSAGE_ROUTED3(ViewMsg_HandleInputEvent,
+                    int64 /* input_number */,
                     IPC::WebInputEventPointer /* event */,
                     bool /* is_keyboard_shortcut */)
 
+// A new frame with a new input number has started.
+IPC_MESSAGE_ROUTED1(ViewMsg_StartFrame,
+                    int64 /* input_number */)
+
 // 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)
@@ skipping 1500 matching lines @@
                      int /* arb_robustness_status_code */)
 
 #if defined(OS_WIN)
 // Request that the given font characters be loaded by the browser so it's
 // cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
 // for details.
 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_PreCacheFontCharacters,
                             LOGFONT /* font_data */,
                             string16 /* characters */)
 #endif