Update base/timer.h code to pass through Location from call sites. (reland)

webkit/fileapi/obfuscated_file_system_file_util.cc

 // Copyright (c) 2011 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 "webkit/fileapi/obfuscated_file_system_file_util.h"
 
 #include <queue>
 #include <string>
 #include <vector>
 
@@ skipping 1177 matching lines @@
       return FilePath();
   }
 
   return path;
 }
 
 void ObfuscatedFileSystemFileUtil::MarkUsed() {
   if (timer_.IsRunning())
     timer_.Reset();
   else
-    timer_.Start(base::TimeDelta::FromSeconds(kFlushDelaySeconds), this,
-      &ObfuscatedFileSystemFileUtil::DropDatabases);
+    timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(kFlushDelaySeconds),
+                 this, &ObfuscatedFileSystemFileUtil::DropDatabases);
 }
 
 void ObfuscatedFileSystemFileUtil::DropDatabases() {
   origin_database_.reset();
   STLDeleteContainerPairSecondPointers(
       directories_.begin(), directories_.end());
   directories_.clear();
 }
 
 // static
@@ skipping 36 matching lines @@
       return false;
     }
     origin_database_.reset(
         new FileSystemOriginDatabase(
             file_system_directory_.AppendASCII(kOriginDatabaseName)));
   }
   return true;
 }
 
 }  // namespace fileapi