Switch to sending IME selection updates early.

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 1277 matching lines @@
 
 // External popup menus.
 IPC_MESSAGE_ROUTED2(ViewMsg_SelectPopupMenuItems,
                     bool /* user canceled the popup */,
                     std::vector<int> /* selected indices */)
 
 // Tells the renderer to try to revert to the zoom level we were at before
 // ViewMsg_ScrollFocusedEditableNodeIntoView was called.
 IPC_MESSAGE_ROUTED0(ViewMsg_UndoScrollFocusedEditableNodeIntoView)
 
-// This message relays the beginning or end of a batch event in the IME.
-IPC_MESSAGE_ROUTED1(ViewMsg_ImeBatchStateChanged,
-    bool /* is_begin */)
-
 // Notifies the renderer whether hiding/showing the top controls is enabled
 // and whether or not to animate to the proper state.
 IPC_MESSAGE_ROUTED3(ViewMsg_UpdateTopControlsState,
                     bool /* enable_hiding */,
                     bool /* enable_showing */,
                     bool /* animate */)
 
 IPC_MESSAGE_ROUTED0(ViewMsg_ShowImeIfNeeded)
 
 // Sent by the browser when the renderer should generate a new frame.
@@ skipping 991 matching lines @@
                     gfx::RectF /* active_rect */)
 
 // Start an android intent with the given URI.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_StartContentIntent,
                     GURL /* content_url */)
 
 // Message sent when the renderer changed the background color for the view.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidChangeBodyBackgroundColor,
                     uint32  /* bg_color */)
 
-// This message is an ACK that the batch state change has been received by
-// the renderer and all IME related messages should be processed accordingly.
-IPC_MESSAGE_ROUTED1(ViewHostMsg_ImeBatchStateChanged_ACK,
-                    bool /* is_begin */)
-
 // This message runs the MediaCodec for decoding audio for webaudio.
 IPC_MESSAGE_CONTROL3(ViewHostMsg_RunWebAudioMediaCodec,
                      base::SharedMemoryHandle /* encoded_data_handle */,
                      base::FileDescriptor /* pcm_output */,
                      uint32_t /* data_size*/)
 
 // Sent by renderer to request a ViewMsg_BeginFrame message for upcoming
 // display events. If |enabled| is true, the BeginFrame message will continue
 // to be be delivered until the notification is disabled.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetNeedsBeginFrame,
@@ skipping 59 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.