Delete the browser-compositor webview render mode

android_webview/common/render_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.
 
 // Multiply-included file, no traditional include guard.
 #include "android_webview/common/aw_hit_test_data.h"
 #include "content/public/common/common_param_traits.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
@@ skipping 33 matching lines @@
 IPC_MESSAGE_ROUTED1(AwViewMsg_DocumentHasImages,
                     int /* id */)
 
 // Do hit test at the given webview coordinate. "Webview" coordinates are
 // physical pixel values with the 0,0 at the top left of the current displayed
 // view (ie 0,0 is not the top left of the page if the page is scrolled).
 IPC_MESSAGE_ROUTED2(AwViewMsg_DoHitTest,
                     int /* view_x */,
                     int /* view_y */)
 
-// Enables receiving pictures from the renderer on every new frame.
-IPC_MESSAGE_ROUTED1(AwViewMsg_EnableCapturePictureCallback,
-                    bool /* enable */)
-
-// Requests a new picture with the latest renderer contents synchronously.
-// This message blocks the browser process on the renderer until complete.
-IPC_SYNC_MESSAGE_ROUTED0_0(AwViewMsg_CapturePictureSync)
-
 // Sets the zoom level for text only. Used in layout modes other than
 // Text Autosizing.
 IPC_MESSAGE_ROUTED1(AwViewMsg_SetTextZoomLevel,
                     double /* zoom_level */)
 
 // Resets WebKit WebView scrolling and scale state. We need to send this
 // message whenever we want to guarantee that page's scale will be
 // recalculated by WebKit.
 IPC_MESSAGE_ROUTED0(AwViewMsg_ResetScrollAndScaleState)
 
@@ skipping 12 matching lines @@
                     bool /* has_images */)
 
 // Response to AwViewMsg_DoHitTest.
 IPC_MESSAGE_ROUTED1(AwViewHostMsg_UpdateHitTestData,
                     android_webview::AwHitTestData)
 
 // Sent whenever the page scale factor (as seen by RenderView) is changed.
 IPC_MESSAGE_ROUTED1(AwViewHostMsg_PageScaleFactorChanged,
                     float /* page_scale_factor */)
 
-// Notification that a new picture becomes available. It is only sent if
-// AwViewMsg_EnableCapturePictureCallback was previously enabled.
-IPC_MESSAGE_ROUTED0(AwViewHostMsg_PictureUpdated)
-