Only commit cookie changes in prerenders after a prerender is shown

chrome/browser/prerender/external_prerender_handler_android.cc

 // Copyright 2013 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/external_prerender_handler_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 71 matching lines @@
     return false;
   prerender::PrerenderManager* prerender_manager =
           prerender::PrerenderManagerFactory::GetForProfile(profile);
   if (!prerender_manager)
     return false;
   content::WebContents* web_contents =
       reinterpret_cast<content::WebContents*>(web_contents_ptr);
   return prerender_manager->HasPrerenderedUrl(url, web_contents);
 }
 
+static jboolean HasCookieStoreLoaded(JNIEnv* env,
+                                     jclass clazz,
+                                     jobject jprofile) {
+  Profile* profile = ProfileAndroid::FromProfileAndroid(jprofile);
+  prerender::PrerenderManager* prerender_manager =
+      prerender::PrerenderManagerFactory::GetForProfile(profile);
+  if (!prerender_manager)
+    return false;
+  return prerender_manager->cookie_store_loaded();
+}
+
 ExternalPrerenderHandlerAndroid::ExternalPrerenderHandlerAndroid() {}
 
 ExternalPrerenderHandlerAndroid::~ExternalPrerenderHandlerAndroid() {}
 
 static jlong Init(JNIEnv* env, jclass clazz) {
   ExternalPrerenderHandlerAndroid* external_handler =
       new ExternalPrerenderHandlerAndroid();
   return reinterpret_cast<intptr_t>(external_handler);
 }
 
 bool ExternalPrerenderHandlerAndroid::RegisterExternalPrerenderHandlerAndroid(
     JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 } // namespace prerender