fix about:memory and memory histograms to show extensions more clearly

chrome/browser/browser_about_handler.cc

 // Copyright (c) 2010 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/browser_about_handler.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 833 matching lines @@
 // sub-processes (i.e. renderers, plugins) used by Chrome.
 void AboutMemoryHandler::AppendProcess(ListValue* child_data,
                                        ProcessMemoryInformation* info) {
   DCHECK(child_data && info);
 
   // Append a new DictionaryValue for this renderer to our list.
   DictionaryValue* child = new DictionaryValue();
   child_data->Append(child);
   BindProcessMetrics(child, info);
 
-  std::string child_label(ChildProcessInfo::GetTypeNameInEnglish(info->type));
+  std::string child_label(
+      ChildProcessInfo::GetFullTypeNameInEnglish(info->type,
+                                                 info->renderer_type));
   if (info->is_diagnostics)
     child_label.append(" (diagnostics)");
   child->SetString("child_name", child_label);
   ListValue* titles = new ListValue();
   child->Set("titles", titles);
   for (size_t i = 0; i < info->titles.size(); ++i)
     titles->Append(new StringValue(info->titles[i]));
 }
 
 
@@ skipping 249 matching lines @@
     // Run the dialog. This will re-use the existing one if it's already up.
     AboutIPCDialog::RunDialog();
     return true;
   }
 #endif
 
 #endif  // OFFICIAL_BUILD
 
   return false;
 }