Move notifications used only in chrome/ out of content/.

chrome/browser/chrome_main_browsertest.cc

 // Copyright (c) 2012 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 "chrome/test/ui/ui_test.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
@@ skipping 55 matching lines @@
   Relaunch();
   observer.WaitForSingleNewBrowser();
   ASSERT_EQ(BrowserList::GetBrowserCount(browser()->profile()), 2u);
 }
 
 IN_PROC_BROWSER_TEST_F(ChromeMainTest, ReuseBrowserInstanceWhenOpeningFile) {
   FilePath test_file_path = ui_test_utils::GetTestFilePath(
       FilePath(), FilePath().AppendASCII("empty.html"));
   new_command_line_.AppendArgPath(test_file_path);
   ui_test_utils::WindowedNotificationObserver observer(
-        content::NOTIFICATION_TAB_ADDED,
+        chrome::NOTIFICATION_TAB_ADDED,
         content::NotificationService::AllSources());
   Relaunch();
   observer.Wait();
 
   GURL url = net::FilePathToFileURL(test_file_path);
   content::WebContents* tab = browser()->GetSelectedWebContents();
   ASSERT_EQ(url, tab->GetController().GetActiveEntry()->GetVirtualURL());
 }
 
 
@@ skipping 42 matching lines @@
 
   // There should only be the incognito window open now.
   ASSERT_EQ(1u, BrowserList::size());
   ASSERT_EQ(0u, BrowserList::GetBrowserCountForType(profile, true));
 
   // Run with just an URL specified, no --incognito switch.
   FilePath test_file_path = ui_test_utils::GetTestFilePath(
       FilePath(), FilePath().AppendASCII("empty.html"));
   new_command_line_.AppendArgPath(test_file_path);
   ui_test_utils::WindowedNotificationObserver tab_observer(
-        content::NOTIFICATION_TAB_ADDED,
+        chrome::NOTIFICATION_TAB_ADDED,
         content::NotificationService::AllSources());
   Relaunch();
   tab_observer.Wait();
 
   // There should be one normal and one incognito window now.
   ASSERT_EQ(2u, BrowserList::size());
   ASSERT_EQ(1u, BrowserList::GetBrowserCountForType(profile, true));
 }
 
 #endif  // !OS_MACOSX