Move PageTransition from //content/public/common to //ui/base

chrome/browser/ui/cocoa/extensions/extension_install_view_controller.mm

 // Copyright (c) 2012 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 "chrome/browser/ui/cocoa/extensions/extension_install_view_controller.h"
 
 #include "base/auto_reset.h"
 #include "base/i18n/rtl.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
@@ skipping 193 matching lines @@
     prompt_ = prompt;
     warnings_.reset([[self buildWarnings:*prompt] retain]);
   }
   return self;
 }
 
 - (IBAction)storeLinkClicked:(id)sender {
   GURL store_url(extension_urls::GetWebstoreItemDetailURLPrefix() +
                  prompt_->extension()->id());
   navigator_->OpenURL(OpenURLParams(
-      store_url, Referrer(), NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_LINK,
+      store_url, Referrer(), NEW_FOREGROUND_TAB, ui::PAGE_TRANSITION_LINK,
       false));
 
   delegate_->InstallUIAbort(/*user_initiated=*/true);
 }
 
 - (IBAction)cancel:(id)sender {
   delegate_->InstallUIAbort(/*user_initiated=*/true);
 }
 
 - (IBAction)ok:(id)sender {
@@ skipping 510 matching lines @@
 }
 
 - (void)accessibilityPerformAction:(NSString*)action {
   if ([action isEqualToString:NSAccessibilityPressAction])
     [self handleLinkClicked];
   else
     [super accessibilityPerformAction:action];
 }
 
 @end