Add a help bubble pointing to the omnibox when installing an extension with

chrome/browser/cocoa/extension_installed_bubble_controller_unittest.mm

 // Copyright (c) 2010 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 <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 123 matching lines @@
   // Initialize window without having to calculate tabstrip locations.
   [controller initializeWindow];
   EXPECT_TRUE([controller window]);
 
   int height = [controller calculateWindowHeight];
   // Height should equal the vertical padding + height of all messages.
   int correctHeight = 2 * extension_installed_bubble::kOuterVerticalMargin +
       2 * extension_installed_bubble::kInnerVerticalMargin +
       [controller getExtensionInstalledMsgFrame].size.height +
       [controller getExtensionInstalledInfoMsgFrame].size.height +
-      [controller getPageActionInfoMsgFrame].size.height;
+      [controller getExtraInfoMsgFrame].size.height;
   EXPECT_EQ(height, correctHeight);
 
   [controller setMessageFrames:height];
   NSRect msg3Frame = [controller getExtensionInstalledInfoMsgFrame];
   // Bottom message should be kOuterVerticalMargin pixels above window edge.
   EXPECT_EQ(msg3Frame.origin.y,
       extension_installed_bubble::kOuterVerticalMargin);
-  NSRect msg2Frame = [controller getPageActionInfoMsgFrame];
+  NSRect msg2Frame = [controller getExtraInfoMsgFrame];
   // Pageaction message should be kInnerVerticalMargin pixels above bottom msg.
   EXPECT_EQ(msg2Frame.origin.y,
             msg3Frame.origin.y + msg3Frame.size.height +
             extension_installed_bubble::kInnerVerticalMargin);
   NSRect msg1Frame = [controller getExtensionInstalledMsgFrame];
   // Top message should be kInnerVerticalMargin pixels above Pageaction msg.
   EXPECT_EQ(msg1Frame.origin.y,
             msg2Frame.origin.y + msg2Frame.size.height +
             extension_installed_bubble::kInnerVerticalMargin);
 
@@ skipping 30 matching lines @@
       extension_installed_bubble::kOuterVerticalMargin);
   NSRect msg1Frame = [controller getExtensionInstalledMsgFrame];
   // Top message should start kInnerVerticalMargin pixels above top of
   //  extensionInstalled message, because page action message is hidden.
   EXPECT_EQ(msg1Frame.origin.y,
             msg3Frame.origin.y + msg3Frame.size.height +
                 extension_installed_bubble::kInnerVerticalMargin);
 
   [controller close];
 }