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

chrome/browser/bug_report_util.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/bug_report_util.h"
 
 #include <sstream>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 359 matching lines @@
 
 #if defined(ENABLE_SAFE_BROWSING)
 // static
 void BugReportUtil::ReportPhishing(TabContents* currentTab,
                                    const std::string& phishing_url) {
   currentTab->controller().LoadURL(
       safe_browsing_util::GeneratePhishingReportUrl(
           kReportPhishingUrl, phishing_url,
           false /* not client-side detection */),
       GURL(),
-      PageTransition::LINK,
+      content::PAGE_TRANSITION_LINK,
       std::string());
 }
 #endif
 
 static std::vector<unsigned char>* screenshot_png = NULL;
 static gfx::Rect* screenshot_size = NULL;
 
 // static
 std::vector<unsigned char>* BugReportUtil::GetScreenshotPng() {
   if (screenshot_png == NULL)
@@ skipping 12 matching lines @@
   if (screenshot_size == NULL)
     screenshot_size = new gfx::Rect();
   return *screenshot_size;
 }
 
 // static
 void BugReportUtil::SetScreenshotSize(const gfx::Rect& rect) {
   gfx::Rect& screen_size = GetScreenshotSize();
   screen_size = rect;
 }