Revert of Remove setVoiceSearchSupported part of EmbeddedSearch SearchBox API.

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

Index: chrome/browser/ui/cocoa/location_bar/mic_search_decoration.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/mic_search_decoration.mm b/chrome/browser/ui/cocoa/location_bar/mic_search_decoration.mm
new file mode 100644
index 0000000000000000000000000000000000000000..f8b01849e0d721663ee3dcf87ae7755181146dfd
--- /dev/null
+++ b/chrome/browser/ui/cocoa/location_bar/mic_search_decoration.mm
@@ -0,0 +1,33 @@
+// 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.
+
+#import "chrome/browser/ui/cocoa/location_bar/mic_search_decoration.h"
+
+#include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/command_updater.h"
+#import "chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h"
+#include "chrome/grit/generated_resources.h"
+#include "grit/theme_resources.h"
+#include "ui/base/l10n/l10n_util_mac.h"
+
+MicSearchDecoration::MicSearchDecoration(CommandUpdater* command_updater)
+    : command_updater_(command_updater) {
+  SetImage(OmniboxViewMac::ImageForResource(IDR_OMNIBOX_MIC_SEARCH));
+}
+
+MicSearchDecoration::~MicSearchDecoration() {
+}
+
+bool MicSearchDecoration::AcceptsMousePress() {
+  return true;
+}
+
+bool MicSearchDecoration::OnMousePressed(NSRect frame, NSPoint location) {
+  command_updater_->ExecuteCommand(IDC_TOGGLE_SPEECH_INPUT);
+  return true;
+}
+
+NSString* MicSearchDecoration::GetToolTip() {
+  return l10n_util::GetNSStringWithFixup(IDS_TOOLTIP_MIC_SEARCH);
+}