drive: Rename drive::DriveClientContext to drive::ClientContext

chrome/browser/chromeos/drive/file_system/download_operation.h

Index: chrome/browser/chromeos/drive/file_system/download_operation.h
diff --git a/chrome/browser/chromeos/drive/file_system/download_operation.h b/chrome/browser/chromeos/drive/file_system/download_operation.h
index 9a70ca1fa1c45a156329fd9e76637fd72e86c62d..5a1b43a17699d6e73bb5f28212eaad472224c746 100644
--- a/chrome/browser/chromeos/drive/file_system/download_operation.h
+++ b/chrome/browser/chromeos/drive/file_system/download_operation.h
@@ -63,7 +63,7 @@ class DownloadOperation {
   // |completion_callback| must not be null.
   void EnsureFileDownloaded(
       const base::FilePath& file_path,
-      DriveClientContext context,
+      const ClientContext& context,
       const GetFileContentInitializedCallback& initialized_callback,
       const google_apis::GetContentCallback& get_content_callback,
       const GetFileCallback& completion_callback);
@@ -79,7 +79,7 @@ class DownloadOperation {
   // check.
   void EnsureFileDownloadedAfterCheckPreCondition(
       const base::FilePath& file_path,
-      DriveClientContext context,
+      const ClientContext& context,
       const DownloadCallback& callback,
       scoped_ptr<ResourceEntry> entry,
       base::FilePath* cache_file_path,
@@ -88,7 +88,7 @@ class DownloadOperation {
   // Part of EnsureFileDownloaded(). Called upon the completion of fetching
   // ResourceEntry from the server.
   void EnsureFileDownloadedAfterGetResourceEntry(
-      DriveClientContext context,
+      const ClientContext& context,
       const DownloadCallback& callback,
       google_apis::GDataErrorCode gdata_error,
       scoped_ptr<google_apis::ResourceEntry> resource_entry);