shill: PendingActivationStore: remove unused glib

An earlier CL migrated InitStorage() to use StoreFactory
instead of instantiating KeyFileStore directly. With
that change, InitStorage() no longer needs the |glib|
parameter.

Remove the unused parameter, and update calling code
accordingly.

BUG=b:23386647
TEST=compile

Change-Id: I1f3f3f47c76c9dc7e5fee420d67939dfe0f65023
Reviewed-on: https://chromium-review.googlesource.com/295575
Commit-Ready: mukesh agrawal <quiche@chromium.org>
Tested-by: mukesh agrawal <quiche@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
diff --git a/mock_pending_activation_store.h b/mock_pending_activation_store.h
index 64a34ba..607a156 100644
--- a/mock_pending_activation_store.h
+++ b/mock_pending_activation_store.h
@@ -19,8 +19,7 @@
   MockPendingActivationStore();
   ~MockPendingActivationStore() override;
 
-  MOCK_METHOD2(InitStorage,
-               bool(GLib* glib, const base::FilePath& storage_path));
+  MOCK_METHOD1(InitStorage, bool(const base::FilePath& storage_path));
   MOCK_CONST_METHOD2(GetActivationState,
                      State(IdentifierType type, const std::string& iccid));
   MOCK_METHOD3(SetActivationState,