Revert 138444 - Always pass FileSystemContext to ObfuscatedFileUtil operations

webkit/fileapi/file_system_quota_util.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 WEBKIT_FILEAPI_FILE_SYSTEM_QUOTA_UTIL_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_QUOTA_UTIL_H_
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/fileapi/file_system_types.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace quota {
 class QuotaManagerProxy;
 }
 
 namespace fileapi {
 
-class FileSystemContext;
-
 // An abstract interface that provides common quota-related utility functions
 // for internal filesystem modules.  The main consumer of this class is
 // file_system_quota_client and quota_file_util.
 // All the methods of this class are synchronous and need to be called on
 // the thread that the method name implies.
 class FileSystemQuotaUtil {
  public:
   // Methods of this class can be called on any thread.
   class Proxy : public base::RefCountedThreadSafe<Proxy> {
    public:
@@ skipping 24 matching lines @@
   virtual void GetOriginsForTypeOnFileThread(fileapi::FileSystemType type,
                                              std::set<GURL>* origins) = 0;
 
   // Called by quota client.
   virtual void GetOriginsForHostOnFileThread(fileapi::FileSystemType type,
                                              const std::string& host,
                                              std::set<GURL>* origins) = 0;
 
   // Called by quota client.
   // Returns the amount of data used for the origin for usage tracking.
-  virtual int64 GetOriginUsageOnFileThread(
-      fileapi::FileSystemContext* file_system_context,
-      const GURL& origin_url,
-      fileapi::FileSystemType type) = 0;
+  virtual int64 GetOriginUsageOnFileThread(const GURL& origin_url,
+                                           fileapi::FileSystemType type) = 0;
 
   // Called by quota file util.
   virtual void UpdateOriginUsageOnFileThread(quota::QuotaManagerProxy* proxy,
                                              const GURL& origin_url,
                                              fileapi::FileSystemType type,
                                              int64 delta) = 0;
 
   // Called by file_system_operation.
   // Called when a read operation accesses the origin's storage data.
   virtual void NotifyOriginWasAccessedOnIOThread(
@@ skipping 19 matching lines @@
  protected:
   explicit FileSystemQuotaUtil(base::SequencedTaskRunner* file_task_runner);
 
  private:
   scoped_refptr<Proxy> proxy_;
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_QUOTA_UTIL_H_