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

chrome/common/metrics_helpers.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/common/metrics_helpers.h"
 
 #include "base/base64.h"
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/md5.h"
@@ skipping 208 matching lines @@
   WriteAttribute("targetidhash", command_hash);
 
   // TODO(jhughes): Properly track windows.
   WriteIntAttribute("window", 0);
   WriteCommonEventAttributes();
 
   ++num_events_;
 }
 
 void MetricsLogBase::RecordLoadEvent(int window_id,
-                                 const GURL& url,
-                                 PageTransition::Type origin,
-                                 int session_index,
-                                 TimeDelta load_time) {
+                                     const GURL& url,
+                                     content::PageTransition origin,
+                                     int session_index,
+                                     TimeDelta load_time) {
   DCHECK(!locked_);
 
   OPEN_ELEMENT_FOR_SCOPE("document");
   WriteAttribute("action", "load");
   WriteIntAttribute("docid", session_index);
   WriteIntAttribute("window", window_id);
   WriteAttribute("loadtime", base::Int64ToString(load_time.InMilliseconds()));
 
   std::string origin_string;
 
-  switch (PageTransition::StripQualifier(origin)) {
+  switch (content::PageTransitionStripQualifier(origin)) {
     // TODO(jhughes): Some of these mappings aren't right... we need to add
     // some values to the server's enum.
-    case PageTransition::LINK:
-    case PageTransition::MANUAL_SUBFRAME:
+    case content::PAGE_TRANSITION_LINK:
+    case content::PAGE_TRANSITION_MANUAL_SUBFRAME:
       origin_string = "link";
       break;
 
-    case PageTransition::TYPED:
+    case content::PAGE_TRANSITION_TYPED:
       origin_string = "typed";
       break;
 
-    case PageTransition::AUTO_BOOKMARK:
+    case content::PAGE_TRANSITION_AUTO_BOOKMARK:
       origin_string = "bookmark";
       break;
 
-    case PageTransition::AUTO_SUBFRAME:
-    case PageTransition::RELOAD:
+    case content::PAGE_TRANSITION_AUTO_SUBFRAME:
+    case content::PAGE_TRANSITION_RELOAD:
       origin_string = "refresh";
       break;
 
-    case PageTransition::GENERATED:
-    case PageTransition::KEYWORD:
+    case content::PAGE_TRANSITION_GENERATED:
+    case content::PAGE_TRANSITION_KEYWORD:
       origin_string = "global-history";
       break;
 
-    case PageTransition::START_PAGE:
+    case content::PAGE_TRANSITION_START_PAGE:
       origin_string = "start-page";
       break;
 
-    case PageTransition::FORM_SUBMIT:
+    case content::PAGE_TRANSITION_FORM_SUBMIT:
       origin_string = "form-submit";
       break;
 
     default:
       NOTREACHED() << "Received an unknown page transition type: " <<
-                       PageTransition::StripQualifier(origin);
+                      content::PageTransitionStripQualifier(origin);
   }
   if (!origin_string.empty())
     WriteAttribute("origin", origin_string);
 
   WriteCommonEventAttributes();
 
   ++num_events_;
 }
 
 void MetricsLogBase::RecordWindowEvent(WindowEventType type,
@@ skipping 232 matching lines @@
     snapshot.Subtract(*already_logged);
   }
 
   // Snapshot now contains only a delta to what we've already_logged.
   if (snapshot.redundant_count() > 0) {
     TransmitHistogramDelta(histogram, snapshot);
     // Add new data into our running total.
     already_logged->Add(snapshot);
   }
 }