Random cleanup around google_apis/drive and c/b/drive.

chrome/browser/drive/drive_api_util.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_DRIVE_DRIVE_API_UTIL_H_
 #define CHROME_BROWSER_DRIVE_DRIVE_API_UTIL_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "google_apis/drive/drive_common_callbacks.h"
 #include "google_apis/drive/gdata_errorcode.h"
 
 class GURL;
 
 namespace base {
 class FilePath;
 class Value;
 }  // namespace base
 
 namespace google_apis {
-class AppList;
-class AppResource;
 class ChangeList;
 class ChangeResource;
-class DriveAppIcon;
 class FileList;
 class FileResource;
 class ResourceEntry;
 class ResourceList;
 }  // namespace google_apis
 
 namespace drive {
 namespace util {
 
 // Google Apps MIME types:
@@ skipping 22 matching lines @@
 // See also: https://developers.google.com/drive/search-parameters
 std::string TranslateQuery(const std::string& original_query);
 
 // Extracts resource_id out of edit url.
 std::string ExtractResourceIdFromUrl(const GURL& url);
 
 // If |resource_id| is in the old resource ID format used by WAPI, converts it
 // into the new format.
 std::string CanonicalizeResourceId(const std::string& resource_id);
 
-// Note: Following constants and a function are used to support GetShareUrl on
-// Drive API v2. Unfortunately, there is no support on Drive API v2, so we need
-// to fall back to GData WAPI for the GetShareUrl. Thus, these are shared by
-// both GDataWapiService and DriveAPIService.
-// TODO(hidehiko): Remove these from here, when Drive API v2 supports
-// GetShareUrl.
-
-// OAuth2 scopes for the GData WAPI.
-extern const char kDocsListScope[];
-extern const char kDriveAppsScope[];
-
 // Converts FileResource to ResourceEntry.
 scoped_ptr<google_apis::ResourceEntry>
 ConvertFileResourceToResourceEntry(
     const google_apis::FileResource& file_resource);
 
 // Converts ChangeResource to ResourceEntry.
 scoped_ptr<google_apis::ResourceEntry>
 ConvertChangeResourceToResourceEntry(
     const google_apis::ChangeResource& change_resource);
 
@@ skipping 18 matching lines @@
 bool IsKnownHostedDocumentMimeType(const std::string& mime_type);
 
 // Returns true if the given file path has an extension corresponding to one of
 // hosted document types.
 bool HasHostedDocumentExtension(const base::FilePath& path);
 
 }  // namespace util
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_DRIVE_DRIVE_API_UTIL_H_