Allow tap gestures to open the IME on Android.

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 "content/common/content_export.h"
@@ skipping 422 matching lines @@
   IPC_STRUCT_MEMBER(int, selection_end)
 
   // The start position of the current composition, or -1 if there is none
   IPC_STRUCT_MEMBER(int, composition_start)
 
   // The end position of the current composition, or -1 if there is none
   IPC_STRUCT_MEMBER(int, composition_end)
 
   // Whether or not inline composition can be performed for the current input.
   IPC_STRUCT_MEMBER(bool, can_compose_inline)
+
+  // 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)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWorker_Params)
   // URL for the worker script.
   IPC_STRUCT_MEMBER(GURL, url)
 
   // Name for a SharedWorker, otherwise empty string.
   IPC_STRUCT_MEMBER(string16, name)
 
   // The ID of the parent document (unique within parent renderer).
@@ skipping 1912 matching lines @@
 // custom normalized fractions of the document size. The rects will be sorted by
 // frame traversal order starting in the main frame, then by dom order.
 //
 // |active_rect| will contain the bounding box of the active find-in-page match
 // marker, in similarly normalized coords (or an empty rect if there isn't one).
 IPC_MESSAGE_ROUTED3(ViewHostMsg_FindMatchRects_Reply,
                     int /* version */,
                     std::vector<gfx::RectF> /* rects */,
                     gfx::RectF /* active_rect */)
 #endif