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

chrome/browser/cocoa/extension_installed_bubble_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_COCOA_EXTENSION_INSTALLED_BUBBLE_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_EXTENSION_INSTALLED_BUBBLE_CONTROLLER_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
@@ skipping 15 matching lines @@
 
 // Outer vertical margin for text, icon, and closing x.
 const int kOuterVerticalMargin = 15;
 
 // Inner vertical margin for text messages.
 const int kInnerVerticalMargin = 10;
 
 // We use a different kind of notification for each of these extension types.
 typedef enum {
   kBrowserAction,
-  kPageAction,
-  kGeneric
+  kGeneric,
+  kOmniboxKeyword,
+  kPageAction
 } ExtensionType;
 
 }
 
 // Controller for the extension installed bubble.  This bubble pops up after
 // an extension has been installed to inform the user that the install happened
 // properly, and to let the user know how to manage this extension in the
 // future.
 @interface ExtensionInstalledBubbleController :
     NSWindowController<NSWindowDelegate> {
@@ skipping 13 matching lines @@
   // Lets us register for EXTENSION_LOADED notifications.  The actual
   // notifications are sent to the observer object, which proxies them
   // back to the controller.
   scoped_ptr<ExtensionLoadedNotificationObserver> extensionObserver_;
 
   // References below are weak, being obtained from the nib.
   IBOutlet InfoBubbleView* infoBubbleView_;
   IBOutlet HoverCloseButton* closeButton_;
   IBOutlet NSImageView* iconImage_;
   IBOutlet NSTextField* extensionInstalledMsg_;
-  IBOutlet NSTextField* pageActionInfoMsg_;  // Only shown for page actions.
+  // Only shown for page actions and omnibox keywords.
+  IBOutlet NSTextField* extraInfoMsg_;
   IBOutlet NSTextField* extensionInstalledInfoMsg_;
 }
 
 @property (nonatomic, readonly) const Extension* extension;
 @property (nonatomic) BOOL pageActionRemoved;
 
 // Initialize the window, and then create observers to wait for the extension
 // to complete loading, or the browser window to close.
 - (id)initWithParentWindow:(NSWindow*)parentWindow
                  extension:(const Extension*)extension
@@ skipping 13 matching lines @@
 
 @end
 
 @interface ExtensionInstalledBubbleController(ExposedForTesting)
 
 - (void)removePageActionPreviewIfNecessary;
 - (NSWindow*)initializeWindow;
 - (int)calculateWindowHeight;
 - (void)setMessageFrames:(int)newWindowHeight;
 - (NSRect)getExtensionInstalledMsgFrame;
-- (NSRect)getPageActionInfoMsgFrame;
+- (NSRect)getExtraInfoMsgFrame;
 - (NSRect)getExtensionInstalledInfoMsgFrame;
 
 @end  // ExtensionInstalledBubbleController(ExposedForTesting)
 
 #endif  // CHROME_BROWSER_COCOA_EXTENSION_INSTALLED_BUBBLE_CONTROLLER_H_