Remove setVoiceSearchSupported part of EmbeddedSearch SearchBox API.

chrome/browser/ui/cocoa/location_bar/mic_search_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/mic_search_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/mic_search_decoration.h b/chrome/browser/ui/cocoa/location_bar/mic_search_decoration.h
deleted file mode 100644
index 91c05ccaaea23bef01af88faeb6e0a4b99bf9137..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/cocoa/location_bar/mic_search_decoration.h
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright 2013 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 CHROME_BROWSER_UI_COCOA_LOCATION_BAR_MIC_SEARCH_DECORATION_H_
-#define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_MIC_SEARCH_DECORATION_H_
-
-#import <Cocoa/Cocoa.h>
-
-#include "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
-
-class CommandUpdater;
-
-// Draws a microphone icon on the right side of the omnibox. This is used for
-// voice search.
-class MicSearchDecoration : public ImageDecoration {
- public:
-  explicit MicSearchDecoration(CommandUpdater* command_updater);
-  ~MicSearchDecoration() override;
-
-  // Implement |LocationBarDecoration|.
-  bool AcceptsMousePress() override;
-  bool OnMousePressed(NSRect frame, NSPoint location) override;
-  NSString* GetToolTip() override;
-
- private:
-  CommandUpdater* command_updater_;  // Weak, owned by Browser.
-
-  DISALLOW_COPY_AND_ASSIGN(MicSearchDecoration);
-};
-
-#endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_MIC_SEARCH_DECORATION_H_