Remove dependencies on base from SampleApp

mojo/examples/compositor_app/gles2_client_impl.h

Index: mojo/examples/compositor_app/gles2_client_impl.h
diff --git a/mojo/examples/compositor_app/gles2_client_impl.h b/mojo/examples/compositor_app/gles2_client_impl.h
index 38d80b534d103ba251a83186fd3d9068ad55c35a..fbb49b0278c97693043b6c7538e781f04643c681 100644
--- a/mojo/examples/compositor_app/gles2_client_impl.h
+++ b/mojo/examples/compositor_app/gles2_client_impl.h
@@ -38,6 +38,7 @@ class GLES2ClientImpl : public GLES2Client {
                                 uint32_t width,
                                 uint32_t height) MOJO_OVERRIDE;
   virtual void ContextLost() MOJO_OVERRIDE;
+  virtual void DrawAnimationFrame() MOJO_OVERRIDE;
 
   base::Callback<void(gfx::Size viewport_size)> context_created_callback_;
   gpu::gles2::GLES2Implementation* impl_;