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

chrome/browser/ui/webui/html_dialog_tab_contents_delegate_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/webui/html_dialog_tab_contents_delegate.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 39 matching lines @@
  protected:
   scoped_ptr<TestTabContentsDelegate> test_tab_contents_delegate_;
 };
 
 TEST_F(HtmlDialogTabContentsDelegateTest, DoNothingMethodsTest) {
   // None of the following calls should do anything.
   EXPECT_TRUE(test_tab_contents_delegate_->IsPopup(NULL));
   scoped_refptr<history::HistoryAddPageArgs> should_add_args(
       new history::HistoryAddPageArgs(
           GURL(), base::Time::Now(), 0, 0, GURL(), history::RedirectList(),
-          PageTransition::TYPED, history::SOURCE_SYNCED, false));
+          content::PAGE_TRANSITION_TYPED, history::SOURCE_SYNCED, false));
   EXPECT_FALSE(test_tab_contents_delegate_->ShouldAddNavigationToHistory(
                    *should_add_args, NavigationType::NEW_PAGE));
   test_tab_contents_delegate_->NavigationStateChanged(NULL, 0);
   test_tab_contents_delegate_->ActivateContents(NULL);
   test_tab_contents_delegate_->LoadingStateChanged(NULL);
   test_tab_contents_delegate_->CloseContents(NULL);
   test_tab_contents_delegate_->UpdateTargetURL(NULL, 0, GURL());
   test_tab_contents_delegate_->MoveContents(NULL, gfx::Rect());
   EXPECT_EQ(0, browser()->tab_count());
   EXPECT_EQ(1U, BrowserList::size());
 }
 
 TEST_F(HtmlDialogTabContentsDelegateTest, OpenURLFromTabTest) {
   test_tab_contents_delegate_->OpenURLFromTab(
     NULL, GURL(chrome::kAboutBlankURL), GURL(),
-    NEW_FOREGROUND_TAB, PageTransition::LINK);
+    NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_LINK);
   // This should create a new foreground tab in the existing browser.
   EXPECT_EQ(1, browser()->tab_count());
   EXPECT_EQ(1U, BrowserList::size());
 }
 
 TEST_F(HtmlDialogTabContentsDelegateTest, AddNewContentsForegroundTabTest) {
   TabContents* contents =
       new TabContents(profile(), NULL, MSG_ROUTING_NONE, NULL, NULL);
   test_tab_contents_delegate_->AddNewContents(
       NULL, contents, NEW_FOREGROUND_TAB, gfx::Rect(), false);
   // This should create a new foreground tab in the existing browser.
   EXPECT_EQ(1, browser()->tab_count());
   EXPECT_EQ(1U, BrowserList::size());
 }
 
 TEST_F(HtmlDialogTabContentsDelegateTest, DetachTest) {
   EXPECT_EQ(profile(), test_tab_contents_delegate_->profile());
   test_tab_contents_delegate_->Detach();
   EXPECT_EQ(NULL, test_tab_contents_delegate_->profile());
   // Now, none of the following calls should do anything.
   test_tab_contents_delegate_->OpenURLFromTab(
       NULL, GURL(chrome::kAboutBlankURL), GURL(),
-      NEW_FOREGROUND_TAB, PageTransition::LINK);
+      NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_LINK);
   test_tab_contents_delegate_->AddNewContents(NULL, NULL, NEW_FOREGROUND_TAB,
                                               gfx::Rect(), false);
   EXPECT_EQ(0, browser()->tab_count());
   EXPECT_EQ(1U, BrowserList::size());
 }
 
 }  // namespace