Adding overview / layer framework to Activities so that unloaded / sleeping activities can be shown…

athena/resource_manager/resource_manager_unittest.cc

Index: athena/resource_manager/resource_manager_unittest.cc
diff --git a/athena/resource_manager/resource_manager_unittest.cc b/athena/resource_manager/resource_manager_unittest.cc
index 4d49f0c43034f8dcb46f598439ad23093166e444..c3de4f25e95ada1cae0e27629f68679c3115a615 100644
--- a/athena/resource_manager/resource_manager_unittest.cc
+++ b/athena/resource_manager/resource_manager_unittest.cc
@@ -53,8 +53,9 @@ class TestActivity : public Activity,
   virtual base::string16 GetTitle() const OVERRIDE { return title_; }
   virtual bool UsesFrame() const OVERRIDE { return true; }
   virtual views::View* GetContentsView() OVERRIDE { return view_; }
-  virtual void CreateOverviewModeImage() OVERRIDE {}
-  virtual gfx::ImageSkia GetOverviewModeImage() OVERRIDE { return image_; }
+  virtual gfx::ImageSkia GetOverviewModeImage() OVERRIDE {
+    return gfx::ImageSkia();
+  }
   virtual void PrepareContentsForOverview() OVERRIDE {}
   virtual void ResetContentsView() OVERRIDE {}