Support a private event - inputMethodPrivate.onCompositionBoundsChanged so that component IME exten…

ui/base/ime/chromeos/ime_bridge.h

 // Copyright 2014 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.
 
 #ifndef UI_BASE_IME_CHROMEOS_IME_BRIDGE_H_
 #define UI_BASE_IME_CHROMEOS_IME_BRIDGE_H_
 
 #include <string>
 #include "base/basictypes.h"
 #include "base/callback.h"
@@ skipping 84 matching lines @@
   // based candidate index in lookup table.
   virtual void CandidateClicked(uint32 index) = 0;
 
   // Called when a new surrounding text is set. The |text| is surrounding text
   // and |cursor_pos| is 0 based index of cursor position in |text|. If there is
   // selection range, |anchor_pos| represents opposite index from |cursor_pos|.
   // Otherwise |anchor_pos| is equal to |cursor_pos|.
   virtual void SetSurroundingText(const std::string& text, uint32 cursor_pos,
                                   uint32 anchor_pos) = 0;
 
+  // Called when the composition bounds changed.
+  virtual void SetCompositionBounds(const gfx::Rect& bounds) = 0;
+
  protected:
   IMEEngineHandlerInterface() {}
 };
 
 // A interface to handle the candidate window related method call.
 class UI_BASE_EXPORT IMECandidateWindowHandlerInterface {
  public:
   virtual ~IMECandidateWindowHandlerInterface() {}
 
   // Called when the IME updates the lookup table.
@@ skipping 70 matching lines @@
  protected:
   IMEBridge();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(IMEBridge);
 };
 
 }  // namespace chromeos
 
 #endif  // UI_BASE_IME_CHROMEOS_IME_BRIDGE_H_