Split InitiateUpload method into two.

chrome/browser/google_apis/drive_service_interface.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 CHROME_BROWSER_GOOGLE_APIS_DRIVE_SERVICE_INTERFACE_H_
 #define CHROME_BROWSER_GOOGLE_APIS_DRIVE_SERVICE_INTERFACE_H_
 
 #include <string>
 
 // TODO(kochi): Further split gdata_operations.h and include only necessary
@@ skipping 214 matching lines @@
   //
   // |download_action_callback| must not be null.
   // |get_content_callback| may be null.
   virtual void DownloadFile(
       const base::FilePath& virtual_path,
       const base::FilePath& local_cache_path,
       const GURL& download_url,
       const DownloadActionCallback& download_action_callback,
       const GetContentCallback& get_content_callback) = 0;
 
-  // Initiates uploading of a document/file.
+  // Initiates uploading of a new document/file.
+  // |content_type| and |content_length| should be the ones of the file to be
+  // uploaded.
   // |callback| must not be null.
-  virtual void InitiateUpload(const InitiateUploadParams& params,
-                              const InitiateUploadCallback& callback) = 0;
+  // TODO(hidehiko): Replace |parent_upload_url| by resource id.
+  virtual void InitiateUploadNewFile(
+      const FilePath& drive_file_path,
+      const std::string& content_type,
+      int64 content_length,
+      const GURL& parent_upload_url,
+      const std::string& title,
+      const InitiateUploadCallback& callback) = 0;
+
+  // Initiates uploading of an existing document/file.
+  // |content_type| and |content_length| should be the ones of the file to be
+  // uploaded.
+  // |callback| must not be null.
+  // TODO(hidehiko): Replace |upload_url| by resource id.
+  virtual void InitiateUploadExistingFile(
+      const FilePath& drive_file_path,
+      const std::string& content_type,
+      int64 content_length,
+      const GURL& upload_url,
+      const std::string& etag,
+      const InitiateUploadCallback& callback) = 0;
 
   // Resumes uploading of a document/file on the calling thread.
   // |callback| must not be null.
   virtual void ResumeUpload(const ResumeUploadParams& params,
                             const UploadRangeCallback& callback) = 0;
 
   // Gets the current status of the uploading to |upload_url| from the server.
   // |upload_mode|, |drive_file_path| and |content_length| should be set to
   // the same value which is used for ResumeUpload.
   // |callback| must not be null.
   virtual void GetUploadStatus(
       UploadMode upload_mode,
       const base::FilePath& drive_file_path,
       const GURL& upload_url,
       int64 content_length,
       const UploadRangeCallback& callback) = 0;
 
   // Authorizes a Drive app with the id |app_id| to open the given file.
   // Upon completion, invokes |callback| with the link to open the file with
   // the provided app. |callback| must not be null.
   virtual void AuthorizeApp(const GURL& edit_url,
                             const std::string& app_id,
                             const AuthorizeAppCallback& callback) = 0;
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_DRIVE_SERVICE_INTERFACE_H_