[Android] Add UMA SB download size in background and foreground.

chrome/browser/safe_browsing/protocol_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_H_
 #define CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_H_
 
 // A class that implements Chrome's interface with the SafeBrowsing protocol.
 // See https://developers.google.com/safe-browsing/developers_guide_v2 for
 // protocol details.
@@ skipping 148 matching lines @@
   };
 
   // Record a GetHash result. |is_download| indicates if the get
   // hash is triggered by download related lookup.
   static void RecordGetHashResult(bool is_download,
                                   ResultType result_type);
 
   // Returns whether another update is currently scheduled.
   bool IsUpdateScheduled() const;
 
+  // Called when app changes status of foreground or background.
+  void SetAppInForeground(bool foreground) {
+    app_in_foreground_ = foreground;
+  }
+
  protected:
   // Constructs a SafeBrowsingProtocolManager for |delegate| that issues
   // network requests using |request_context_getter|.
   SafeBrowsingProtocolManager(
       SafeBrowsingProtocolManagerDelegate* delegate,
       net::URLRequestContextGetter* request_context_getter,
       const SafeBrowsingProtocolConfig& config);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingProtocolManagerTest, TestBackOffTimes);
@@ skipping 202 matching lines @@
   // Data to POST when doing an update.
   std::string update_list_data_;
 
   // When true, protocol manager will not start an update unless
   // ForceScheduleNextUpdate() is called. This is set for testing purpose.
   bool disable_auto_update_;
 
   // ID for URLFetchers for testing.
   int url_fetcher_id_;
 
+  // Whether the app is in foreground or background.
+  bool app_in_foreground_;
+
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingProtocolManager);
 };
 
 // Interface of a factory to create ProtocolManager.  Useful for tests.
 class SBProtocolManagerFactory {
  public:
   SBProtocolManagerFactory() {}
   virtual ~SBProtocolManagerFactory() {}
   virtual SafeBrowsingProtocolManager* CreateProtocolManager(
       SafeBrowsingProtocolManagerDelegate* delegate,
@@ skipping 33 matching lines @@
   // call at a later time.
   virtual void AddChunks(const std::string& list, SBChunkList* chunks,
                          AddChunksCallback callback) = 0;
 
   // Delete chunks from the database.
   virtual void DeleteChunks(
       std::vector<SBChunkDelete>* delete_chunks) = 0;
 };
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_PROTOCOL_MANAGER_H_