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

ui/app_list/demo/app_list_demo_views.cc

 // Copyright 2014 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.
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_switches.h"
@@ skipping 79 matching lines @@
   message_loop->DeleteSoon(FROM_HERE, this);
   message_loop->QuitWhenIdle();
 }
 
 views::View* DemoAppListViewDelegate::CreateStartPageWebView(
     const gfx::Size& size) {
   web_contents_.reset(content::WebContents::Create(
       content::WebContents::CreateParams(browser_context_)));
   web_contents_->GetController().LoadURL(GURL("http://www.google.com/"),
                                          content::Referrer(),
-                                         content::PAGE_TRANSITION_AUTO_TOPLEVEL,
+                                         ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
                                          std::string());
   views::WebView* web_view = new views::WebView(
       web_contents_->GetBrowserContext());
   web_view->SetPreferredSize(size);
   web_view->SetWebContents(web_contents_.get());
   return web_view;
 }
 
 void ShowAppList(content::BrowserContext* browser_context,
                  gfx::NativeWindow window_context) {
@@ skipping 12 matching lines @@
   content::InitializeSandboxInfo(&sandbox_info);
   ui::ViewsContentClient views_content_client(instance, &sandbox_info);
 #else
 int main(int argc, const char** argv) {
   ui::ViewsContentClient views_content_client(argc, argv);
 #endif
 
   views_content_client.set_task(base::Bind(&ShowAppList));
   return views_content_client.RunMain();
 }