predictors: Make the resource_prefetch_predictor accessible from Java.

chrome/browser/predictors/resource_prefetcher_manager.cc

 // Copyright 2014 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/predictors/resource_prefetcher_manager.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
@@ skipping 33 matching lines @@
       base::Bind(&ResourcePrefetcherManager::ShutdownOnIOThread,
                  this));
 }
 
 void ResourcePrefetcherManager::ShutdownOnIOThread() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   prefetcher_map_.clear();
 }
 
 void ResourcePrefetcherManager::MaybeAddPrefetch(
-    const NavigationID& navigation_id,
+    const GURL& main_frame_url,
     const std::vector<GURL>& urls) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
   // Don't add a duplicate prefetch for the same host.
-  const GURL& main_frame_url = navigation_id.main_frame_url;
   std::string key = main_frame_url.host();
   if (base::ContainsKey(prefetcher_map_, key))
     return;
 
   auto prefetcher =
       base::MakeUnique<ResourcePrefetcher>(this, config_, main_frame_url, urls);
   prefetcher->Start();
   prefetcher_map_[key] = std::move(prefetcher);
 }
 
 void ResourcePrefetcherManager::MaybeRemovePrefetch(
-    const NavigationID& navigation_id) {
+    const GURL& main_frame_url) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
-  const GURL& main_frame_url = navigation_id.main_frame_url;
   std::string key = main_frame_url.host();
-
   auto it = prefetcher_map_.find(key);
   if (it != prefetcher_map_.end() &&
-      it->second->main_frame_url() == navigation_id.main_frame_url) {
+      it->second->main_frame_url() == main_frame_url) {
     it->second->Stop();
-    return;
   }
 }
 
 void ResourcePrefetcherManager::ResourcePrefetcherFinished(
     ResourcePrefetcher* resource_prefetcher) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
   const std::string key = resource_prefetcher->main_frame_url().host();
   auto it = prefetcher_map_.find(key);
   DCHECK(it != prefetcher_map_.end());
   prefetcher_map_.erase(it);
 }
 
 net::URLRequestContext* ResourcePrefetcherManager::GetURLRequestContext() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
   return context_getter_->GetURLRequestContext();
 }
 
 }  // namespace predictors