UI: Rename MediaState to AlertState

chrome/browser/ui/cocoa/browser_window_cocoa_unittest.mm

 // Copyright (c) 2011 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.
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/fullscreen.h"
 #include "chrome/browser/ui/bookmarks/bookmark_utils.h"
@@ skipping 41 matching lines @@
 
 TEST_F(BrowserWindowCocoaTest, TestWindowTitle) {
   scoped_ptr<BrowserWindowCocoa> bwc(
       new BrowserWindowCocoa(browser(), controller_));
   NSString* playing_emoji = @"🔊";
   NSString* muting_emoji = @"🔇";
   EXPECT_EQ(static_cast<NSUInteger>(NSNotFound),
             [bwc->WindowTitle() rangeOfString:playing_emoji].location);
   EXPECT_EQ(static_cast<NSUInteger>(NSNotFound),
             [bwc->WindowTitle() rangeOfString:muting_emoji].location);
-  bwc->UpdateMediaState(TAB_MEDIA_STATE_AUDIO_PLAYING);
+  bwc->UpdateAlertState(TabAlertState::AUDIO_PLAYING);
   EXPECT_NE(static_cast<NSUInteger>(NSNotFound),
             [bwc->WindowTitle() rangeOfString:playing_emoji].location);
-  bwc->UpdateMediaState(TAB_MEDIA_STATE_AUDIO_MUTING);
+  bwc->UpdateAlertState(TabAlertState::AUDIO_MUTING);
   EXPECT_NE(static_cast<NSUInteger>(NSNotFound),
             [bwc->WindowTitle() rangeOfString:muting_emoji].location);
-  bwc->UpdateMediaState(TAB_MEDIA_STATE_NONE);
+  bwc->UpdateAlertState(TabAlertState::NONE);
   EXPECT_EQ(static_cast<NSUInteger>(NSNotFound),
             [bwc->WindowTitle() rangeOfString:playing_emoji].location);
   EXPECT_EQ(static_cast<NSUInteger>(NSNotFound),
             [bwc->WindowTitle() rangeOfString:muting_emoji].location);
 }
 
 // Test that IsMaximized() returns false when the browser window goes from
 // maximized to minimized state - http://crbug/452976.
 TEST_F(BrowserWindowCocoaTest, TestMinimizeState) {
   scoped_ptr<BrowserWindowCocoa> bwc(
@@ skipping 123 matching lines @@
   [[[window_ stub] andReturn:nil] delegate];
   [[[controller_ stub] andReturn:window_] window];
   [[window_ expect] orderOut:nil];
   [[window_ expect] close];
   CreateAndCloseBrowserWindow();
   EXPECT_OCMOCK_VERIFY(controller_);
   EXPECT_OCMOCK_VERIFY(window_);
 }
 
 // TODO(???): test other methods of BrowserWindowCocoa