Move PageTransition into content namespace. While I'm touching all these files, I've also updated...

chrome/browser/ui/cocoa/applescript/window_applescript.mm

 // Copyright (c) 2011 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/applescript/window_applescript.h"
 
 #include "base/logging.h"
 #import "base/memory/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
@@ skipping 157 matching lines @@
 - (void)insertInTabs:(TabAppleScript*)aTab {
   // This method gets called when a new tab is created so
   // the container and property are set here.
   [aTab setContainer:self
             property:AppleScript::kTabsProperty];
 
   // Set how long it takes a tab to be created.
   base::TimeTicks newTabStartTime = base::TimeTicks::Now();
   TabContentsWrapper* contents =
       browser_->AddSelectedTabWithURL(GURL(chrome::kChromeUINewTabURL),
-                                      PageTransition::TYPED);
+                                      content::PAGE_TRANSITION_TYPED);
   contents->tab_contents()->set_new_tab_start_time(newTabStartTime);
   [aTab setTabContent:contents];
 }
 
 - (void)insertInTabs:(TabAppleScript*)aTab atIndex:(int)index {
   // This method gets called when a new tab is created so
   // the container and property are set here.
   [aTab setContainer:self
             property:AppleScript::kTabsProperty];
 
   // Set how long it takes a tab to be created.
   base::TimeTicks newTabStartTime = base::TimeTicks::Now();
   browser::NavigateParams params(browser_,
                                  GURL(chrome::kChromeUINewTabURL),
-                                 PageTransition::TYPED);
+                                 content::PAGE_TRANSITION_TYPED);
   params.disposition = NEW_FOREGROUND_TAB;
   params.tabstrip_index = index;
   browser::Navigate(&params);
   params.target_contents->tab_contents()->set_new_tab_start_time(
       newTabStartTime);
 
   [aTab setTabContent:params.target_contents];
 }
 
 - (void)removeFromTabsAtIndex:(int)index {
@@ skipping 34 matching lines @@
   [[self nativeHandle] setValue:(id)value forKey:key];
 }
 
 - (void)handlesCloseScriptCommand:(NSCloseCommand*)command {
   // window() can be NULL during startup.
   if (browser_->window())
     browser_->window()->Close();
 }
 
 @end