Prerender enabled in incognito.

This fixes the earlier attempt (http://crrev.com/127763) by increasing the memory allowed for prerendered tabs in the incognito PrerenderManager during tests as well.

BUG=108982
TEST=Open in incognito window, go to prerender-test.appspot.com and confirm that prerender works. Also, PrerenderBrowserTest.PrerenderIncognito.


Review URL: http://codereview.chromium.org/9815005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@128197 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/prerender/prerender_manager_factory.cc

@@ -52,4 +52,8 @@ ProfileKeyedService* PrerenderManagerFactory::BuildServiceInstanceFor(
   return prerender_manager;
 }
 
+bool PrerenderManagerFactory::ServiceHasOwnInstanceInIncognito() {
+  return true;
+}
+
 }  // end namespace prerender

chrome/browser/prerender/prerender_manager_factory.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -34,6 +34,9 @@ class PrerenderManagerFactory : public ProfileKeyedServiceFactory {
   // ProfileKeyedServiceFactory:
   virtual ProfileKeyedService* BuildServiceInstanceFor(
       Profile* profile) const OVERRIDE;
+
+  // Prerendering is allowed in incognito.
+  virtual bool ServiceHasOwnInstanceInIncognito() OVERRIDE;
 };
 
 }  // end namespace prerender