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

chrome/browser/extensions/extension_webnavigation_api.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.
 
 // Implements the Chrome Extensions WebNavigation API.
 
 #include "chrome/browser/extensions/extension_webnavigation_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
@@ skipping 76 matching lines @@
                 json_args);
 }
 
 // Constructs and dispatches an onCommitted or onReferenceFragmentUpdated
 // event.
 void DispatchOnCommitted(const char* event_name,
                          TabContents* tab_contents,
                          int64 frame_id,
                          bool is_main_frame,
                          const GURL& url,
-                         PageTransition::Type transition_type) {
+                         content::PageTransition transition_type) {
   ListValue args;
   DictionaryValue* dict = new DictionaryValue();
   dict->SetInteger(keys::kTabIdKey,
                    ExtensionTabUtil::GetTabId(tab_contents));
   dict->SetString(keys::kUrlKey, url.spec());
   dict->SetInteger(keys::kFrameIdKey, GetFrameId(is_main_frame, frame_id));
-  dict->SetString(keys::kTransitionTypeKey,
-                  PageTransition::CoreTransitionString(transition_type));
+  dict->SetString(
+      keys::kTransitionTypeKey,
+      content::PageTransitionGetCoreTransitionString(transition_type));
   ListValue* qualifiers = new ListValue();
-  if (transition_type & PageTransition::CLIENT_REDIRECT)
+  if (transition_type & content::PAGE_TRANSITION_CLIENT_REDIRECT)
     qualifiers->Append(Value::CreateStringValue("client_redirect"));
-  if (transition_type & PageTransition::SERVER_REDIRECT)
+  if (transition_type & content::PAGE_TRANSITION_SERVER_REDIRECT)
     qualifiers->Append(Value::CreateStringValue("server_redirect"));
-  if (transition_type & PageTransition::FORWARD_BACK)
+  if (transition_type & content::PAGE_TRANSITION_FORWARD_BACK)
     qualifiers->Append(Value::CreateStringValue("forward_back"));
-  if (transition_type & PageTransition::FROM_ADDRESS_BAR)
+  if (transition_type & content::PAGE_TRANSITION_FROM_ADDRESS_BAR)
     qualifiers->Append(Value::CreateStringValue("from_address_bar"));
   dict->Set(keys::kTransitionQualifiersKey, qualifiers);
   dict->SetDouble(keys::kTimeStampKey, MilliSecondsFromTime(base::Time::Now()));
   args.Append(dict);
 
   std::string json_args;
   base::JSONWriter::Write(&args, false, &json_args);
   DispatchEvent(tab_contents->browser_context(), event_name, json_args);
 }
 
@@ skipping 378 matching lines @@
   if (!navigation_state_.CanSendEvents(frame_id))
     return;
   DispatchOnBeforeNavigate(
       tab_contents(), frame_id, is_main_frame, validated_url);
 }
 
 void ExtensionWebNavigationTabObserver::DidCommitProvisionalLoadForFrame(
     int64 frame_id,
     bool is_main_frame,
     const GURL& url,
-    PageTransition::Type transition_type) {
+    content::PageTransition transition_type) {
   if (!navigation_state_.CanSendEvents(frame_id))
     return;
 
   bool is_reference_fragment_navigation =
       IsReferenceFragmentNavigation(frame_id, url);
 
   // Update the URL as it might have changed.
   navigation_state_.TrackFrame(frame_id,
                                url,
                                is_main_frame,
@@ skipping 52 matching lines @@
                       navigation_state_.GetUrl(frame_id),
                       navigation_state_.IsMainFrame(frame_id),
                       frame_id);
 }
 
 void ExtensionWebNavigationTabObserver::DidOpenRequestedURL(
     TabContents* new_contents,
     const GURL& url,
     const GURL& referrer,
     WindowOpenDisposition disposition,
-    PageTransition::Type transition,
+    content::PageTransition transition,
     int64 source_frame_id) {
   if (!navigation_state_.CanSendEvents(source_frame_id))
     return;
 
   // We only send the onCreatedNavigationTarget if we end up creating a new
   // window.
   if (disposition != SINGLETON_TAB &&
       disposition != NEW_FOREGROUND_TAB &&
       disposition != NEW_BACKGROUND_TAB &&
       disposition != NEW_POPUP &&
@@ skipping 124 matching lines @@
         keys::kFrameIdKey,
         GetFrameId(navigation_state.IsMainFrame(*frame), *frame));
     frameDict->SetBoolean(
         keys::kErrorOccurredKey,
         navigation_state.GetErrorOccurredInFrame(*frame));
     resultList->Append(frameDict);
   }
   result_.reset(resultList);
   return true;
 }