ExtensionInstalledBubble for Mac.

Adds ExtensionInstalledBubble.xib, which contains the framework for the bubble itself (icon view, close button, and three message fields).

BUG= 26974
TEST= Install an extension. Bubble should show same information as windows bubble.
Review URL: http://codereview.chromium.org/527012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@37671 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 91da6e8..c3d1ba5 100755
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -458,6 +458,10 @@
         'browser/cocoa/event_utils.h',
         'browser/cocoa/event_utils.mm',
         'browser/cocoa/extension_install_prompt.mm',
+        'browser/cocoa/extension_installed_bubble_bridge.h',
+        'browser/cocoa/extension_installed_bubble_bridge.mm',
+        'browser/cocoa/extension_installed_bubble_controller.h',
+        'browser/cocoa/extension_installed_bubble_controller.mm',
         'browser/cocoa/extension_view_mac.h',
         'browser/cocoa/extension_view_mac.mm',
         'browser/cocoa/extensions/browser_action_button.h',
@@ -2170,6 +2174,7 @@
                   'app/nibs/DownloadItem.xib',
                   'app/nibs/DownloadShelf.xib',
                   'app/nibs/EditSearchEngine.xib',
+                  'app/nibs/ExtensionInstalledBubble.xib',
                   'app/nibs/FirstRunDialog.xib',
                   'app/nibs/FontLanguageSettings.xib',
                   'app/nibs/HttpAuthLoginSheet.xib',