Rename the drive: scheme with the externalfile: scheme.

chrome/browser/chromeos/fileapi/external_file_protocol_handler.h

Index: chrome/browser/chromeos/fileapi/external_file_protocol_handler.h
diff --git a/chrome/browser/chromeos/fileapi/external_file_protocol_handler.h b/chrome/browser/chromeos/fileapi/external_file_protocol_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..88500e06fbfb2d380478157128ab24f2ab9235be
--- /dev/null
+++ b/chrome/browser/chromeos/fileapi/external_file_protocol_handler.h
@@ -0,0 +1,37 @@
+// Copyright 2014 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_CHROMEOS_FILEAPI_EXTERNAL_FILE_PROTOCOL_HANDLER_H_
+#define CHROME_BROWSER_CHROMEOS_FILEAPI_EXTERNAL_FILE_PROTOCOL_HANDLER_H_
+
+#include "base/basictypes.h"
+#include "net/url_request/url_request_job_factory.h"
+
+namespace base {
+class SequencedTaskRunner;
+}  // namespace base
+
+namespace chromeos {
+
+class ExternalFileProtocolHandler
+    : public net::URLRequestJobFactory::ProtocolHandler {
+ public:
+  explicit ExternalFileProtocolHandler(void* profile_id);
+  virtual ~ExternalFileProtocolHandler();
+
+  // Creates URLRequestJobs for drive:// URLs.
+  virtual net::URLRequestJob* MaybeCreateJob(
+      net::URLRequest* request,
+      net::NetworkDelegate* network_delegate) const OVERRIDE;
+
+ private:
+  // The profile for processing Drive accesses. Should not be NULL.
+  void* profile_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExternalFileProtocolHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_FILEAPI_EXTERNAL_FILE_PROTOCOL_HANDLER_H_