Remove RenderWidgetHostView*::DidUpdateBackingStore.

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/memory/shared_memory.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
@@ skipping 375 matching lines @@
   // Whether or not the IME should be shown as a result of this update. Even if
   // true, the IME will only be shown if the type is appropriate (e.g. not
   // TEXT_INPUT_TYPE_NONE).
   IPC_STRUCT_MEMBER(bool, show_ime_if_needed)
 
   // Whether this change is originated from non-IME (e.g. Javascript, Autofill).
   IPC_STRUCT_MEMBER(bool, is_non_ime_change)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(ViewHostMsg_UpdateRect_Params)
-  // The bitmap to be painted into the view at the locations specified by
-  // update_rects.
-  IPC_STRUCT_MEMBER(TransportDIB::Id, bitmap)
-
-  // The position and size of the bitmap.
-  IPC_STRUCT_MEMBER(gfx::Rect, bitmap_rect)
-
-  // The scroll delta.  Only one of the delta components can be non-zero, and if
-  // they are both zero, then it means there is no scrolling and the scroll_rect
-  // is ignored.
-  IPC_STRUCT_MEMBER(gfx::Vector2d, scroll_delta)
-
-  // The rectangular region to scroll.
-  IPC_STRUCT_MEMBER(gfx::Rect, scroll_rect)
-
   // The scroll offset of the render view.
   IPC_STRUCT_MEMBER(gfx::Vector2d, scroll_offset)
 
-  // The regions of the bitmap (in view coords) that contain updated pixels.
-  // In the case of scrolling, this includes the scroll damage rect.
-  IPC_STRUCT_MEMBER(std::vector<gfx::Rect>, copy_rects)
-
   // The size of the RenderView when this message was generated.  This is
   // included so the host knows how large the view is from the perspective of
   // the renderer process.  This is necessary in case a resize operation is in
   // progress. If auto-resize is enabled, this should update the corresponding
   // view size.
   IPC_STRUCT_MEMBER(gfx::Size, view_size)
 
   // New window locations for plugin child windows.
   IPC_STRUCT_MEMBER(std::vector<content::WebPluginGeometry>,
                     plugin_window_moves)
 
   // The following describes the various bits that may be set in flags:
   //
   //   ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK
   //     Indicates that this is a response to a ViewMsg_Resize message.
   //
   //   ViewHostMsg_UpdateRect_Flags::IS_RESTORE_ACK
   //     Indicates that this is a response to a ViewMsg_WasShown message.
   //
   //   ViewHostMsg_UpdateRect_Flags::IS_REPAINT_ACK
   //     Indicates that this is a response to a ViewMsg_Repaint message.
   //
   // If flags is zero, then this message corresponds to an unsolicited paint
   // request by the render view.  Any of the above bits may be set in flags,
   // which would indicate that this paint message is an ACK for multiple
   // request messages.
   IPC_STRUCT_MEMBER(int, flags)
-
-  // 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 latency information for the frame. Only valid when accelerated
-  // compositing is disabled.
-  IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(ViewMsg_New_Params)
   // Renderer-wide preferences.
   IPC_STRUCT_MEMBER(content::RendererPreferences, renderer_preferences)
 
   // Preferences for this view.
   IPC_STRUCT_MEMBER(WebPreferences, web_preferences)
 
   // The ID of the view to be created.
@@ skipping 1353 matching lines @@
 // synchronously (see crbug.com/120597). This IPC message sends the character
 // bounds after every composition change to always have correct bound info.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_ImeCompositionRangeChanged,
                     gfx::Range /* composition range */,
                     std::vector<gfx::Rect> /* character bounds */)
 #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.