Create content\public\test\test_utils.h to hold common test classes that are used by unit and brows…

chrome/browser/download/download_browsertest.cc

Index: chrome/browser/download/download_browsertest.cc
===================================================================
--- chrome/browser/download/download_browsertest.cc	(revision 147577)
+++ chrome/browser/download/download_browsertest.cc	(working copy)
@@ -1172,7 +1172,7 @@
   // On Mac OS X, the UI window close is delayed until the outermost
   // message loop runs.  So it isn't possible to get a BROWSER_CLOSED
   // notification inside of a test.
-  ui_test_utils::WindowedNotificationObserver signal(
+  content::WindowedNotificationObserver signal(
       chrome::NOTIFICATION_BROWSER_CLOSED,
       content::Source<Browser>(incognito));
 #endif
@@ -1415,7 +1415,7 @@
   // On Mac OS X, the UI window close is delayed until the outermost
   // message loop runs.  So it isn't possible to get a BROWSER_CLOSED
   // notification inside of a test.
-  ui_test_utils::WindowedNotificationObserver signal(
+  content::WindowedNotificationObserver signal(
       chrome::NOTIFICATION_BROWSER_CLOSED,
       content::Source<Browser>(download_browser));
 #endif
@@ -1637,7 +1637,7 @@
 
   DownloadAndWait(browser(), download_url, EXPECT_NO_SELECT_DIALOG);
 
-  ui_test_utils::WindowedNotificationObserver signal(
+  content::WindowedNotificationObserver signal(
       chrome::NOTIFICATION_BROWSER_CLOSED,
       content::Source<Browser>(browser()));
   chrome::CloseWindow(browser());
@@ -2118,7 +2118,7 @@
   ASSERT_TRUE(jpeg_url.is_valid());
   WebContents* web_contents = chrome::GetActiveWebContents(browser());
   ASSERT_TRUE(web_contents != NULL);
-  ui_test_utils::WindowedNotificationObserver observer(
+  content::WindowedNotificationObserver observer(
       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
       content::Source<content::NavigationController>(
           &web_contents->GetController()));