Misc cleanups in Drive code.

chrome/browser/google_apis/drive_api_operations.h

Index: chrome/browser/google_apis/drive_api_operations.h
diff --git a/chrome/browser/google_apis/drive_api_operations.h b/chrome/browser/google_apis/drive_api_operations.h
index 514f7be59828ad8359d654f7d8e3de00a926d3bc..21164701609521b17835a38bd240a3d768359e10 100644
--- a/chrome/browser/google_apis/drive_api_operations.h
+++ b/chrome/browser/google_apis/drive_api_operations.h
@@ -138,7 +138,7 @@ class GetFileOperation : public GetDataOperation {
   DISALLOW_COPY_AND_ASSIGN(GetFileOperation);
 };
 
-// This namespace is introduced to avoid class name confliction between
+// This namespace is introduced to avoid class name conflict between
 // the operations for Drive API v2 and GData WAPI for transition.
 // And, when the migration is done and GData WAPI's code is cleaned up,
 // classes inside this namespace should be moved to the google_apis namespace.
@@ -279,7 +279,7 @@ class InsertResourceOperation : public EntryActionOperation {
 // This class performs the operation for removing a resource from a directory.
 // Note that we use "delete" for the name of this class, which comes from the
 // operation name of the Drive API v2, although we prefer "remove" for that
-// sence in "drive/google_api"
+// sense in "drive/google_api"
 // Also note that this is the operation of "Children: delete" of the Drive API
 // v2. https://developers.google.com/drive/v2/reference/children/delete
 class DeleteResourceOperation : public EntryActionOperation {