Move Extension into extensions namespace

chrome/browser/memory_details.cc

 // Copyright (c) 2012 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/memory_details.h"
 
 #include "base/bind.h"
 #include "base/file_version_info.h"
 #include "base/metrics/histogram.h"
 #include "base/process_util.h"
@@ skipping 25 matching lines @@
 #include "content/public/browser/zygote_host_linux.h"
 #endif
 
 using base::StringPrintf;
 using content::BrowserChildProcessHostIterator;
 using content::BrowserThread;
 using content::NavigationEntry;
 using content::RenderViewHost;
 using content::RenderWidgetHost;
 using content::WebContents;
+using extensions::Extension;
 
 // static
 std::string ProcessMemoryInformation::GetRendererTypeNameInEnglish(
     RendererProcessType type) {
   switch (type) {
     case RENDERER_NORMAL:
       return "Tab";
     case RENDERER_CHROME:
       return "Tab (Chrome)";
     case RENDERER_EXTENSION:
@@ skipping 408 matching lines @@
   UMA_HISTOGRAM_COUNTS_100("Memory.PepperPluginProcessCount",
       pepper_plugin_count);
   UMA_HISTOGRAM_COUNTS_100("Memory.RendererProcessCount", renderer_count);
   UMA_HISTOGRAM_COUNTS_100("Memory.WorkerProcessCount", worker_count);
   // TODO(viettrungluu): Do we want separate counts for the other
   // (platform-specific) process types?
 
   int total_sample = static_cast<int>(aggregate_memory / 1000);
   UMA_HISTOGRAM_MEMORY_MB("Memory.Total", total_sample);
 }