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

chrome/browser/printing/print_preview_tab_controller_browsertest.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/printing/print_preview_tab_controller.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
@@ skipping 159 matching lines @@
   EXPECT_EQ(2, browser()->tab_count());
   EXPECT_EQ(newest_preview_tab, preview_tab);
 }
 
 // Test that print preview tabs are placed correctly.
 IN_PROC_BROWSER_TEST_F(PrintPreviewTabControllerBrowserTest,
                        OpenPreviewTabInCorrectPosition) {
   const int kTabCount = 4;
   // Create kTabCount - 1 tabs since we start with 1 tab already.
   for (int i = 0; i < kTabCount - 1; ++i) {
-    browser::NavigateParams p(browser(), GURL(), PageTransition::LINK);
+    browser::NavigateParams p(browser(), GURL(), content::PAGE_TRANSITION_LINK);
     p.disposition = NEW_FOREGROUND_TAB;
     browser::Navigate(&p);
   }
   EXPECT_EQ(kTabCount, browser()->tab_count());
 
   // Create a print preview tab.
   scoped_refptr<printing::PrintPreviewTabController>
      tab_controller(new printing::PrintPreviewTabController());
   ASSERT_TRUE(tab_controller);
 
@@ skipping 10 matching lines @@
             browser()->GetTabContentsWrapperAt(kInitiatorTabIndex + 1));
   EXPECT_EQ(preview_tab, browser()->GetSelectedTabContentsWrapper());
 }
 
 // Test that print preview tabs created by pop-up windows are placed correctly.
 IN_PROC_BROWSER_TEST_F(PrintPreviewTabControllerBrowserTest,
                        OpenPreviewTabFromPopupInCorrectPosition) {
   const int kTabCount = 4;
   // Create kTabCount - 1 tabs since we start with 1 tab already.
   for (int i = 0; i < kTabCount - 1; ++i) {
-    browser::NavigateParams p(browser(), GURL(), PageTransition::LINK);
+    browser::NavigateParams p(browser(), GURL(), content::PAGE_TRANSITION_LINK);
     p.disposition = NEW_FOREGROUND_TAB;
     browser::Navigate(&p);
   }
   EXPECT_EQ(kTabCount, browser()->tab_count());
 
   // Create a popup
-  browser::NavigateParams p(browser(), GURL(), PageTransition::LINK);
+  browser::NavigateParams p(browser(), GURL(), content::PAGE_TRANSITION_LINK);
   p.disposition = NEW_POPUP;
   ui_test_utils::NavigateToURL(&p);
 
 
 #if defined(OS_CHROMEOS)
   // Navigate() should have opened a new tab on CrOS.
   EXPECT_EQ(browser(), p.browser);
   EXPECT_EQ(Browser::TYPE_TABBED, p.browser->type());
 #else
   // Navigate() should have opened a new popup window.
@@ skipping 16 matching lines @@
   // Increment position since CrOS opened a new tab instead of a popup.
   tab_position++;
 #endif
 
   // Check the preview tab's location.
   EXPECT_EQ(preview_tab, browser()->GetTabContentsWrapperAt(tab_position));
   EXPECT_EQ(preview_tab, browser()->GetSelectedTabContentsWrapper());
 }
 
 }  // namespace