Route selection bounds updates through the compositor

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 308 matching lines @@
 IPC_STRUCT_BEGIN(ViewHostMsg_DateTimeDialogValue_Params)
   IPC_STRUCT_MEMBER(ui::TextInputType, dialog_type)
   IPC_STRUCT_MEMBER(double, dialog_value)
   IPC_STRUCT_MEMBER(double, minimum)
   IPC_STRUCT_MEMBER(double, maximum)
   IPC_STRUCT_MEMBER(double, step)
   IPC_STRUCT_MEMBER(std::vector<content::DateTimeSuggestion>, suggestions)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(ViewHostMsg_SelectionBounds_Params)
-  IPC_STRUCT_MEMBER(gfx::Rect, anchor_rect)
+  IPC_STRUCT_MEMBER(gfx::RectF, anchor_rect)
   IPC_STRUCT_MEMBER(blink::WebTextDirection, anchor_dir)
-  IPC_STRUCT_MEMBER(gfx::Rect, focus_rect)
+  IPC_STRUCT_MEMBER(gfx::RectF, focus_rect)
   IPC_STRUCT_MEMBER(blink::WebTextDirection, focus_dir)
   IPC_STRUCT_MEMBER(bool, is_anchor_first)
+  IPC_STRUCT_MEMBER(bool, is_anchor_visible)
+  IPC_STRUCT_MEMBER(bool, is_focus_visible)
 IPC_STRUCT_END()
 
 // This message is used for supporting popup menus on Mac OS X using native
 // Cocoa controls. The renderer sends us this message which we use to populate
 // the popup menu.
 IPC_STRUCT_BEGIN(ViewHostMsg_ShowPopup_Params)
   // Position on the screen.
   IPC_STRUCT_MEMBER(gfx::Rect, bounds)
 
   // The height of each item in the menu.
@@ skipping 1379 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.