Chromium plumbing to use the selection root bounds.

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 1611 matching lines @@
 // text in the document.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_SelectionChanged,
                     base::string16 /* text covers the selection range */,
                     size_t /* the offset of the text in the document */,
                     gfx::Range /* selection range in the document */)
 
 // Notification that the selection bounds have changed.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionBoundsChanged,
                     ViewHostMsg_SelectionBounds_Params)
 
+// Notification that the selection root bounds have changed.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionRootBoundsChanged,
+                    gfx::Rect /* bounds of the selection root */)
+
 // Asks the browser to open the color chooser.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_OpenColorChooser,
                     int /* id */,
                     SkColor /* color */,
                     std::vector<content::ColorSuggestion> /* suggestions */)
 
 // Asks the browser to end the color chooser.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_EndColorChooser, int /* id */)
 
 // Change the selected color in the color chooser.
@@ skipping 372 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.