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

chrome/browser/ui/webui/web_ui_unittest.cc

Index: chrome/browser/ui/webui/web_ui_unittest.cc
===================================================================
--- chrome/browser/ui/webui/web_ui_unittest.cc	(revision 105162)
+++ chrome/browser/ui/webui/web_ui_unittest.cc	(working copy)
@@ -28,7 +28,7 @@
 
     // Start a pending load.
     GURL new_tab_url(chrome::kChromeUINewTabURL);
-    controller->LoadURL(new_tab_url, GURL(), PageTransition::LINK,
+    controller->LoadURL(new_tab_url, GURL(), content::PAGE_TRANSITION_LINK,
                         std::string());
 
     // The navigation entry should be pending with no committed entry.
@@ -49,7 +49,8 @@
 
     // Start a pending navigation to a regular page.
     GURL next_url("http://google.com/");
-    controller->LoadURL(next_url, GURL(), PageTransition::LINK, std::string());
+    controller->LoadURL(next_url, GURL(), content::PAGE_TRANSITION_LINK,
+                        std::string());
 
     // Check the flags. Some should reflect the new page (URL, title), some
     // should reflect the old one (bookmark bar) until it has committed.
@@ -100,12 +101,12 @@
 TEST_F(WebUITest, WebUIToWebUI) {
   // Do a load (this state is tested above).
   GURL new_tab_url(chrome::kChromeUINewTabURL);
-  controller().LoadURL(new_tab_url, GURL(), PageTransition::LINK,
+  controller().LoadURL(new_tab_url, GURL(), content::PAGE_TRANSITION_LINK,
                        std::string());
   rvh()->SendNavigate(1, new_tab_url);
 
   // Start another pending load of the new tab page.
-  controller().LoadURL(new_tab_url, GURL(), PageTransition::LINK,
+  controller().LoadURL(new_tab_url, GURL(), content::PAGE_TRANSITION_LINK,
                        std::string());
   rvh()->SendNavigate(2, new_tab_url);
 
@@ -119,7 +120,8 @@
   // Start a pending navigation to a regular page.
   GURL std_url("http://google.com/");
 
-  controller().LoadURL(std_url, GURL(), PageTransition::LINK, std::string());
+  controller().LoadURL(std_url, GURL(), content::PAGE_TRANSITION_LINK,
+                       std::string());
 
   // The state should now reflect the default.
   EXPECT_TRUE(contents_wrapper()->favicon_tab_helper()->ShouldDisplayFavicon());
@@ -132,7 +134,7 @@
 
   // Start a pending load for a WebUI.
   GURL new_tab_url(chrome::kChromeUINewTabURL);
-  controller().LoadURL(new_tab_url, GURL(), PageTransition::LINK,
+  controller().LoadURL(new_tab_url, GURL(), content::PAGE_TRANSITION_LINK,
                        std::string());
   EXPECT_TRUE(contents_wrapper()->favicon_tab_helper()->ShouldDisplayFavicon());
   EXPECT_TRUE(contents()->FocusLocationBarByDefault());
@@ -165,14 +167,15 @@
 
   // Load the NTP.
   GURL new_tab_url(chrome::kChromeUINewTabURL);
-  controller().LoadURL(new_tab_url, GURL(), PageTransition::LINK,
+  controller().LoadURL(new_tab_url, GURL(), content::PAGE_TRANSITION_LINK,
                        std::string());
   rvh()->SendNavigate(page_id, new_tab_url);
 
   // Navigate to another page.
   GURL next_url("http://google.com/");
   int next_page_id = page_id + 1;
-  controller().LoadURL(next_url, GURL(), PageTransition::LINK, std::string());
+  controller().LoadURL(next_url, GURL(), content::PAGE_TRANSITION_LINK,
+                       std::string());
   TestRenderViewHost* old_rvh = rvh();
   old_rvh->SendShouldCloseACK(true);
   pending_rvh()->SendNavigate(next_page_id, next_url);