Make FileSystemContext respect StoragePartitions. filesystem:// urls will be properly isolated

chrome/browser/browsing_data/browsing_data_file_system_helper.cc

 // 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.
 
 #include "chrome/browser/browsing_data/browsing_data_file_system_helper.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
-#include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_quota_util.h"
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/fileapi/sandbox_mount_point_provider.h"
 
-using content::BrowserContext;
 using content::BrowserThread;
 
+namespace fileapi {
+class FileSystemContext;
+}
+
 namespace {
 
 // An implementation of the BrowsingDataFileSystemHelper interface that pulls
-// data from a given |profile| and returns a list of FileSystemInfo items to a
-// client.
+// data from a given |filesystem_context| and returns a list of FileSystemInfo
+// items to a client.
 class BrowsingDataFileSystemHelperImpl : public BrowsingDataFileSystemHelper {
  public:
   // BrowsingDataFileSystemHelper implementation
-  explicit BrowsingDataFileSystemHelperImpl(Profile* profile);
+  explicit BrowsingDataFileSystemHelperImpl(
+      fileapi::FileSystemContext* filesystem_context);
   virtual void StartFetching(const base::Callback<
       void(const std::list<FileSystemInfo>&)>& callback) OVERRIDE;
   virtual void DeleteFileSystemOrigin(const GURL& origin) OVERRIDE;
 
  private:
   virtual ~BrowsingDataFileSystemHelperImpl();
 
   // Enumerates all filesystem files, storing the resulting list into
   // file_system_file_ for later use. This must be called on the FILE thread.
   void FetchFileSystemInfoInFileThread();
@@ skipping 26 matching lines @@
   // Indicates whether or not we're currently fetching information: set to true
   // when StartFetching is called on the UI thread, and reset to false when
   // NotifyOnUIThread triggers the success callback.
   // This property only mutates on the UI thread.
   bool is_fetching_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataFileSystemHelperImpl);
 };
 
 BrowsingDataFileSystemHelperImpl::BrowsingDataFileSystemHelperImpl(
-    Profile* profile)
-    : filesystem_context_(BrowserContext::GetFileSystemContext(profile)),
+    fileapi::FileSystemContext* filesystem_context)
+    : filesystem_context_(filesystem_context),
       is_fetching_(false) {
   DCHECK(filesystem_context_);
 }
 
 BrowsingDataFileSystemHelperImpl::~BrowsingDataFileSystemHelperImpl() {
 }
 
 void BrowsingDataFileSystemHelperImpl::StartFetching(
     const base::Callback<void(const std::list<FileSystemInfo>&)>& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 85 matching lines @@
       has_persistent(has_persistent),
       has_temporary(has_temporary),
       usage_persistent(usage_persistent),
       usage_temporary(usage_temporary) {
 }
 
 BrowsingDataFileSystemHelper::FileSystemInfo::~FileSystemInfo() {}
 
 // static
 BrowsingDataFileSystemHelper* BrowsingDataFileSystemHelper::Create(
-    Profile* profile) {
-  return new BrowsingDataFileSystemHelperImpl(profile);
+    fileapi::FileSystemContext* filesystem_context) {
+  return new BrowsingDataFileSystemHelperImpl(filesystem_context);
 }
 
 CannedBrowsingDataFileSystemHelper::CannedBrowsingDataFileSystemHelper(
     Profile* profile)
     : is_fetching_(false) {
 }
 
 CannedBrowsingDataFileSystemHelper::CannedBrowsingDataFileSystemHelper()
     : is_fetching_(false) {
 }
@@ skipping 75 matching lines @@
       base::Bind(&CannedBrowsingDataFileSystemHelper::NotifyOnUIThread, this));
 }
 
 void CannedBrowsingDataFileSystemHelper::NotifyOnUIThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(is_fetching_);
   completion_callback_.Run(file_system_info_);
   completion_callback_.Reset();
   is_fetching_ = false;
 }