Adds unit tests for offline_pages::PrerenderAdapter calling PrerenderManager.

chrome/browser/prerender/prerender_manager.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/prerender/prerender_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 830 matching lines @@
   if (--handle_count_ == 0) {
     // This will eventually remove this object from active_prerenders_.
     contents_->Destroy(FINAL_STATUS_CANCELLED);
   }
 }
 
 PrerenderContents* PrerenderManager::PrerenderData::ReleaseContents() {
   return contents_.release();
 }
 
-void PrerenderManager::SetPrerenderContentsFactory(
-    PrerenderContents::Factory* prerender_contents_factory) {
-  DCHECK(CalledOnValidThread());
-  prerender_contents_factory_.reset(prerender_contents_factory);
-}
-
 void PrerenderManager::SourceNavigatedAway(PrerenderData* prerender_data) {
   // The expiry time of our prerender data will likely change because of
   // this navigation. This requires a resort of active_prerenders_.
   ScopedVector<PrerenderData>::iterator it =
       std::find(active_prerenders_.begin(), active_prerenders_.end(),
                 prerender_data);
   if (it == active_prerenders_.end())
     return;
 
   (*it)->set_expiry_time(
@@ skipping 435 matching lines @@
           prerender_process_hosts_.end());
 }
 
 void PrerenderManager::RenderProcessHostDestroyed(
     content::RenderProcessHost* host) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   size_t erased = prerender_process_hosts_.erase(host);
   DCHECK_EQ(1u, erased);
 }
 
+void PrerenderManager::SetPrerenderContentsFactoryForTest(
+    PrerenderContents::Factory* prerender_contents_factory) {
+  DCHECK(CalledOnValidThread());
+  prerender_contents_factory_.reset(prerender_contents_factory);
+}
+
 }  // namespace prerender