Fixed remaining CL comments from review of http://codereview.chromium.org/9561009/

chrome/browser/chromeos/gdata/gdata_file_system.cc

Index: chrome/browser/chromeos/gdata/gdata_file_system.cc
===================================================================
--- chrome/browser/chromeos/gdata/gdata_file_system.cc	(revision 124690)
+++ chrome/browser/chromeos/gdata/gdata_file_system.cc	(working copy)
@@ -458,6 +458,10 @@
       // this function.
       break;
     }
+    default: {
+      NOTREACHED();
+      break;
+    }
   }
 
   // Do we have a parent directory here as well? We can't then create target
@@ -574,10 +578,11 @@
   // Not done yet with recursive directory creation?
   if (params.target_directory_path != params.created_directory_path &&
       params.is_recursive) {
-    CreateDirectory(params.target_directory_path,
-                    params.is_exclusive,
-                    params.is_recursive,
-                    params.callback);
+    CreateDirectoryInternal(params.target_directory_path,
+                            params.is_exclusive,
+                            params.is_recursive,
+                            params.callback,
+                            params.proxy);
     return;
   }
 
@@ -741,7 +746,6 @@
   return base::PLATFORM_FILE_OK;
 }
 
-
 base::PlatformFileError GDataFileSystem::AddNewDirectory(
     const FilePath& directory_path, base::Value* entry_value) {
   if (!entry_value)
@@ -765,6 +769,9 @@
   if (!file)
     return base::PLATFORM_FILE_ERROR_FAILED;
 
+  // Check if parent is a directory since in theory since this is a callback
+  // something could in the meantime have nuked the parent dir and created a
+  // file with the exact same name.
   GDataDirectory* parent_dir = file->AsGDataDirectory();
   if (!parent_dir)
     return base::PLATFORM_FILE_ERROR_FAILED;