Show error messages in speech bubble allowing user to retry as well.

chrome/browser/speech/speech_input_bubble_mac.mm

 // Copyright (c) 2010 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/speech/speech_input_bubble.h"
 
 #import "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/speech_input_window_controller.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
 
 namespace {
 
 // A class to bridge between the speech recognition C++ code and the Objective-C
 // bubble implementation. See chrome/browser/speech/speech_input_bubble.h for
 // more information on how this gets used.
-class SpeechInputBubbleImpl : public SpeechInputBubble {
+class SpeechInputBubbleImpl : public SpeechInputBubbleBase {
  public:
   SpeechInputBubbleImpl(TabContents* tab_contents,
                         Delegate* delegate,
                         const gfx::Rect& element_rect);
   virtual ~SpeechInputBubbleImpl();
-  virtual void SetRecognizingMode();
+  virtual void Show();
+  virtual void Hide();
+  virtual void UpdateLayout();
 
  private:
   scoped_nsobject<SpeechInputWindowController> window_;
 };
 
 SpeechInputBubbleImpl::SpeechInputBubbleImpl(TabContents* tab_contents,
                                              Delegate* delegate,
                                              const gfx::Rect& element_rect) {
   // Find the screen coordinates for the given tab and position the bubble's
   // arrow anchor point inside that to point at the bottom-left of the html
@@ skipping 10 matching lines @@
   window_.reset([[SpeechInputWindowController alloc]
       initWithParentWindow:tab_contents->view()->GetTopLevelNativeWindow()
                   delegate:delegate
                 anchoredAt:anchor]);
 }
 
 SpeechInputBubbleImpl::~SpeechInputBubbleImpl() {
   [window_.get() close];
 }
 
-void SpeechInputBubbleImpl::SetRecognizingMode() {
-  [window_.get() didStartRecognition];
+void SpeechInputBubbleImpl::Show() {
+  // TODO(satish): Implement.
+  NOTREACHED();
+}
+
+void SpeechInputBubbleImpl::Hide() {
+  // TODO(satish): Implement.
+  NOTREACHED();
+}
+
+void SpeechInputBubbleImpl::UpdateLayout() {
+  // TODO(satish): Implement.
+  NOTREACHED();
 }
 
 }  // namespace
 
 SpeechInputBubble* SpeechInputBubble::CreateNativeBubble(
     TabContents* tab_contents,
     Delegate* delegate,
     const gfx::Rect& element_rect) {
   return new SpeechInputBubbleImpl(tab_contents, delegate, element_rect);
 }