Add information to net-internals if the user is in the no-use group.

chrome/browser/prerender/prerender_manager.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/prerender/prerender_manager.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 117 matching lines @@
          GetMode() == PRERENDER_MODE_EXPERIMENT_CONTROL_GROUP ||
          GetMode() == PRERENDER_MODE_EXPERIMENT_NO_USE_GROUP;
 }
 
 // static
 bool PrerenderManager::IsControlGroup() {
   return GetMode() == PRERENDER_MODE_EXPERIMENT_CONTROL_GROUP;
 }
 
 // static
+bool PrerenderManager::IsNoUseGroup() {
+  return GetMode() == PRERENDER_MODE_EXPERIMENT_NO_USE_GROUP;
+}
+
+// static
 bool PrerenderManager::IsValidHttpMethod(const std::string& method) {
   // method has been canonicalized to upper case at this point so we can just
   // compare them.
   DCHECK_EQ(method, StringToUpperASCII(method));
   for (size_t i = 0; i < arraysize(kValidHttpMethods); ++i) {
     if (method.compare(kValidHttpMethods[i]) == 0)
       return true;
   }
 
   return false;
@@ skipping 835 matching lines @@
         dict_value->SetString("omnibox_heuristic", "(exact)");
         break;
       default:
         NOTREACHED();
         break;
     }
   }
   // If prerender is disabled via a flag this method is not even called.
   if (IsControlGroup())
     dict_value->SetString("disabled_reason", "(Disabled for testing)");
+  if (IsNoUseGroup())
+    dict_value->SetString("disabled_reason", "(Not using prerendered pages)");
   return dict_value;
 }
 
 void PrerenderManager::ClearData(int clear_flags) {
   DCHECK_GE(clear_flags, 0);
   DCHECK_LT(clear_flags, CLEAR_MAX);
   if (clear_flags & CLEAR_PRERENDER_CONTENTS)
     DestroyAllContents(FINAL_STATUS_CACHE_OR_HISTORY_CLEARED);
   // This has to be second, since destroying prerenders can add to the history.
   if (clear_flags & CLEAR_PRERENDER_HISTORY)
@@ skipping 56 matching lines @@
   if (!render_process_host || !render_process_host->browser_context())
     return NULL;
   Profile* profile = Profile::FromBrowserContext(
       render_process_host->browser_context());
   if (!profile)
     return NULL;
   return PrerenderManagerFactory::GetInstance()->GetForProfile(profile);
 }
 
 }  // namespace prerender