Renaming gpu swap buffer callbacks and the screenshot latency component.

ui/latency/latency_info.h

 // Copyright 2013 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 UI_LATENCY_LATENCY_INFO_H_
 #define UI_LATENCY_LATENCY_INFO_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 50 matching lines @@
   // This is special component indicating there is rendering scheduled for
   // the event associated with this LatencyInfo on main thread.
   INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT,
   // This is special component indicating there is rendering scheduled for
   // the event associated with this LatencyInfo on impl thread.
   INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT,
   // Timestamp when a scroll update is forwarded to the main thread.
   INPUT_EVENT_LATENCY_FORWARD_SCROLL_UPDATE_TO_MAIN_COMPONENT,
   // Timestamp when the event's ack is received by the RWH.
   INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT,
-  // Frame number when a window snapshot was requested. The snapshot
+  // Frame number when a browser snapshot was requested. The snapshot
   // is taken when the rendering results actually reach the screen.
-  WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
+  BROWSER_SNAPSHOT_FRAME_NUMBER_COMPONENT,
   // Timestamp when a tab is requested to be shown.
   TAB_SHOW_COMPONENT,
   // Timestamp when the frame is swapped in renderer.
   INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT,
   // Timestamp of when the browser process receives a buffer swap notification
   // from the renderer.
   INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT,
   // Timestamp of when the gpu service began swap buffers, unlike
   // INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT which measures after.
   INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT,
@@ skipping 168 matching lines @@
 #if !defined(OS_IOS)
   friend struct IPC::ParamTraits<ui::LatencyInfo>;
   friend struct mojo::StructTraits<ui::mojom::LatencyInfoDataView,
                                    ui::LatencyInfo>;
 #endif
 };
 
 }  // namespace ui
 
 #endif  // UI_LATENCY_LATENCY_INFO_H_