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

chrome/browser/ui/toolbar/toolbar_model_unittest.cc

 // 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.
 
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 
 typedef BrowserWithTestWindowTest ToolbarModelTest;
 
 TEST_F(ToolbarModelTest, ShouldDisplayURL) {
   browser()->OpenURL(GURL("view-source:http://www.google.com"),
-                     GURL(), CURRENT_TAB, PageTransition::TYPED);
+                     GURL(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED);
   EXPECT_TRUE(browser()->toolbar_model()->ShouldDisplayURL());
   EXPECT_EQ(ASCIIToUTF16("view-source:www.google.com"),
             browser()->toolbar_model()->GetText());
 
   browser()->OpenURL(GURL("view-source:chrome://newtab/"),
-                     GURL(), CURRENT_TAB, PageTransition::TYPED);
+                     GURL(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED);
   EXPECT_TRUE(browser()->toolbar_model()->ShouldDisplayURL());
   EXPECT_EQ(ASCIIToUTF16("view-source:chrome://newtab"),
             browser()->toolbar_model()->GetText());
 
   browser()->OpenURL(GURL("chrome-extension://monkey/balls.html"),
-                     GURL(), CURRENT_TAB, PageTransition::TYPED);
+                     GURL(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED);
   EXPECT_FALSE(browser()->toolbar_model()->ShouldDisplayURL());
   EXPECT_EQ(ASCIIToUTF16(""), browser()->toolbar_model()->GetText());
 
   browser()->OpenURL(GURL("chrome://newtab/"),
-                     GURL(), CURRENT_TAB, PageTransition::TYPED);
+                     GURL(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED);
   EXPECT_FALSE(browser()->toolbar_model()->ShouldDisplayURL());
   EXPECT_EQ(ASCIIToUTF16(""), browser()->toolbar_model()->GetText());
 
   browser()->OpenURL(GURL("about:blank"),
-                     GURL(), CURRENT_TAB, PageTransition::TYPED);
+                     GURL(), CURRENT_TAB, content::PAGE_TRANSITION_TYPED);
   EXPECT_TRUE(browser()->toolbar_model()->ShouldDisplayURL());
   EXPECT_EQ(ASCIIToUTF16("about:blank"),
             browser()->toolbar_model()->GetText());
 }