Disable precache if data_reduction_proxy enabled.

components/precache/content/precache_manager.h

 // 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.
 
 #ifndef COMPONENTS_PRECACHE_CONTENT_PRECACHE_MANAGER_H_
 #define COMPONENTS_PRECACHE_CONTENT_PRECACHE_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 15 matching lines @@
 namespace base {
 class FilePath;
 class Time;
 class TimeDelta;
 }
 
 namespace content {
 class BrowserContext;
 }
 
+namespace data_reduction_proxy {
+class DataReductionProxySettings;
+}
+
 namespace history {
 class HistoryService;
 }
 
 namespace net {
 class HttpResponseInfo;
 }
 
 namespace syncer {
 class SyncService;
@@ skipping 14 matching lines @@
 // otherwise.
 // TODO(sclittle): Delete precache history when browsing history is deleted.
 // http://crbug.com/326549
 class PrecacheManager : public KeyedService,
                         public PrecacheFetcher::PrecacheDelegate,
                         public base::SupportsWeakPtr<PrecacheManager> {
  public:
   typedef base::Callback<void(bool)> PrecacheCompletionCallback;
 
   PrecacheManager(content::BrowserContext* browser_context,
-                  const syncer::SyncService* const sync_service,
-                  const history::HistoryService* const history_service,
+                  const syncer::SyncService* sync_service,
+                  const history::HistoryService* history_service,
+                  const data_reduction_proxy::DataReductionProxySettings*
+                      data_reduction_proxy_settings,
                   const base::FilePath& db_path,
                   std::unique_ptr<PrecacheDatabase> precache_database);
   ~PrecacheManager() override;
 
   // Returns true if the client is in the experiment group -- that is,
   // precaching is allowed based on user settings, and enabled as part of a
   // field trial or by commandline flag. Virtual for testing.
   virtual bool IsInExperimentGroup() const;
 
   // Returns true if the client is in the control group -- that is, precaching
@@ skipping 99 matching lines @@
   content::BrowserContext* const browser_context_;
 
   // The sync service corresponding to the browser context. Used to determine
   // whether precache can run. May be null.
   const syncer::SyncService* const sync_service_;
 
   // The history service corresponding to the browser context. Used to determine
   // the list of top hosts. May be null.
   const history::HistoryService* const history_service_;
 
+  // The data reduction proxy settings object corresponding to the browser
+  // context. Used to determine if the proxy is enabled.
+  const data_reduction_proxy::DataReductionProxySettings* const
+      data_reduction_proxy_settings_;
+
   // The PrecacheFetcher used to precache resources. Should only be used on the
   // UI thread.
   std::unique_ptr<PrecacheFetcher> precache_fetcher_;
 
   // The callback that will be run if precaching finishes without being
   // canceled.
   PrecacheCompletionCallback precache_completion_callback_;
 
   // The PrecacheDatabase for tracking precache metrics. Should only be used on
   // the DB thread.
   std::unique_ptr<PrecacheDatabase> precache_database_;
 
   // Flag indicating whether or not precaching is currently in progress.
   bool is_precaching_;
 
   // Work that hasn't yet finished.
   std::unique_ptr<PrecacheUnfinishedWork> unfinished_work_;
 
   DISALLOW_COPY_AND_ASSIGN(PrecacheManager);
 };
 
 }  // namespace precache
 
 #endif  // COMPONENTS_PRECACHE_CONTENT_PRECACHE_MANAGER_H_