Fixes for bunch of browser tests that are trying to load content from file: schema.

chrome/browser/instant/instant_browsertest.cc

Index: chrome/browser/instant/instant_browsertest.cc
diff --git a/chrome/browser/instant/instant_browsertest.cc b/chrome/browser/instant/instant_browsertest.cc
index 9d9a6d2c5b94513c7d1f72363677bea892789d90..23999197532a50e24343d1f5502b192c5176fd23 100644
--- a/chrome/browser/instant/instant_browsertest.cc
+++ b/chrome/browser/instant/instant_browsertest.cc
@@ -767,14 +767,14 @@ IN_PROC_BROWSER_TEST_F(InstantTest, TaskManagerPrefix) {
   // rows initially, one for the browser process and one for tab's renderer.
   TaskManagerModel* task_manager = TaskManager::GetInstance()->model();
   task_manager->StartUpdating();
-  TaskManagerBrowserTestUtil::WaitForResourceChange(2);
+  TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
 
   ASSERT_NO_FATAL_FAILURE(SetupInstant("instant.html"));
   instant()->OnAutocompleteGotFocus();
   WaitFor(chrome::NOTIFICATION_INSTANT_SUPPORT_DETERMINED);
 
   // Now there should be three rows, the third being the Instant preview.
-  TaskManagerBrowserTestUtil::WaitForResourceChange(3);
+  TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
   string16 prefix = l10n_util::GetStringFUTF16(
       IDS_TASK_MANAGER_INSTANT_PREVIEW_PREFIX, string16());
   string16 title = task_manager->GetResourceTitle(2);