Support sending BlobData to browser process. Also support sending UploadData...

chrome/browser/chrome_blob_storage_context.h

+// Copyright (c) 2010 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_CHROME_BLOB_STORAGE_CONTEXT_H_
+#define CHROME_BROWSER_CHROME_BLOB_STORAGE_CONTEXT_H_
+#pragma once
+
+#include "base/ref_counted.h"
+#include "base/scoped_ptr.h"
+#include "chrome/browser/chrome_thread.h"
+
+class GURL;
+
+namespace webkit_blob {
+class BlobStorageController;
+}
+
+// A context class that keeps track of BlobStorageController used by the chrome.
+// There is an instance associated with each Profile. There could be multiple
+// URLRequestContexts in the same profile that refers to the same instance.
+//
+// All methods, except the ctor, are expected to be called on
+// the IO thread (unless specifically called out in doc comments).
+class ChromeBlobStorageContext
+    : public base::RefCountedThreadSafe<ChromeBlobStorageContext,
+                                        ChromeThread::DeleteOnIOThread> {
+ public:
+  ChromeBlobStorageContext();
+
+  void InitializeOnIOThread();
+
+  webkit_blob::BlobStorageController* controller() const {
+    return controller_.get();
+  }
+
+ private:
+  friend class ChromeThread;
+  friend class DeleteTask<ChromeBlobStorageContext>;
+
+  virtual ~ChromeBlobStorageContext();
+
+  scoped_ptr<webkit_blob::BlobStorageController> controller_;
+};
+
+#endif  // CHROME_BROWSER_CHROME_BLOB_STORAGE_CONTEXT_H_