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

chrome/renderer/safe_browsing/phishing_classifier_delegate.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/renderer/safe_browsing/phishing_classifier_delegate.h"
 
 #include <set>
 
 #include "base/callback.h"
 #include "base/lazy_instance.h"
@@ skipping 71 matching lines @@
     content::RenderView* render_view, PhishingClassifier* classifier) {
   // Private constructor and public static Create() method to facilitate
   // stubbing out this class for binary-size reduction purposes.
   return new PhishingClassifierDelegate(render_view, classifier);
 }
 
 PhishingClassifierDelegate::PhishingClassifierDelegate(
     content::RenderView* render_view,
     PhishingClassifier* classifier)
     : content::RenderViewObserver(render_view),
-      last_main_frame_transition_(PageTransition::LINK),
+      last_main_frame_transition_(content::PAGE_TRANSITION_LINK),
       have_page_text_(false),
       is_classifying_(false) {
   g_delegates.Get().insert(this);
   if (!classifier) {
     classifier = new PhishingClassifier(render_view,
                                         new FeatureExtractorClock());
   }
 
   classifier_.reset(classifier);
 
@@ skipping 122 matching lines @@
   //
   // Note that if we determine that this particular navigation should not be
   // classified at all (as opposed to deferring it until we get an IPC or the
   // load completes), we discard the page text since it won't be needed.
   if (!classifier_->is_ready()) {
     VLOG(2) << "Not starting classification, no Scorer created.";
     // Keep classifier_page_text_, in case a Scorer is set later.
     return;
   }
 
-  if (last_main_frame_transition_ & PageTransition::FORWARD_BACK) {
+  if (last_main_frame_transition_ & content::PAGE_TRANSITION_FORWARD_BACK) {
     // Skip loads from session history navigation.  However, update the
     // last URL sent to the classifier, so that we'll properly detect
     // in-page navigations.
     VLOG(2) << "Not starting classification for back/forward navigation";
     last_url_sent_to_classifier_ = last_finished_load_url_;
     classifier_page_text_.clear();  // we won't need this.
     have_page_text_ = false;
     return;
   }
 
@@ skipping 28 matching lines @@
 
   VLOG(2) << "Starting classification for " << last_finished_load_url_;
   last_url_sent_to_classifier_ = last_finished_load_url_;
   is_classifying_ = true;
   classifier_->BeginClassification(
       &classifier_page_text_,
       NewCallback(this, &PhishingClassifierDelegate::ClassificationDone));
 }
 
 }  // namespace safe_browsing