Misc cleanups in Drive code.

chrome/browser/google_apis/drive_api_url_generator.h

 // Copyright (c) 2013 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_API_URL_GENERATOR_H_
 #define CHROME_BROWSER_GOOGLE_APIS_DRIVE_API_URL_GENERATOR_H_
 
 #include <string>
 
 #include "googleurl/src/gurl.h"
@@ skipping 27 matching lines @@
   GURL GetChangelistUrl(
       const GURL& override_url, int64 start_changestamp) const;
 
   // Returns a URL to fetch a list of files with the given |search_string|.
   // override_url:
   //   The base url for the fetching. If empty, the default url is used.
   // search_string: The search query.
   GURL GetFilelistUrl(
       const GURL& override_url, const std::string& search_string) const;
 
-  // Returns a URL to fecth a file content.
+  // Returns a URL to fetch a file content.
   GURL GetFileUrl(const std::string& file_id) const;
 
   // Returns a URL to trash a resource with the given |resource_id|.
   // Note that the |resource_id| is corresponding to the "file id" in the
   // document: https://developers.google.com/drive/v2/reference/files/trash
   // but we use the term "resource" for consistency in our code.
   GURL GetFileTrashUrl(const std::string& resource_id) const;
 
   // Returns a URL to add a resource to a directory with |resource_id|.
   // Note that the |resource_id| is corresponding to the "folder id" in the
@@ skipping 11 matching lines @@
 
  private:
   const GURL base_url_;
 
   // This class is copyable hence no DISALLOW_COPY_AND_ASSIGN here.
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_DRIVE_API_URL_GENERATOR_H_