Add ContextProvider::InvalidateGrContext to reset GL state in GrContext

ui/compositor/test/in_process_context_provider.h

Index: ui/compositor/test/in_process_context_provider.h
diff --git a/ui/compositor/test/in_process_context_provider.h b/ui/compositor/test/in_process_context_provider.h
index b3c9da091e18886d369dd6cb99b8d1d690d1a736..5944bf9e60cac18dcfcf6a16b8e1489faad86dbc 100644
--- a/ui/compositor/test/in_process_context_provider.h
+++ b/ui/compositor/test/in_process_context_provider.h
@@ -48,6 +48,7 @@ class InProcessContextProvider : public cc::ContextProvider {
   gpu::gles2::GLES2Interface* ContextGL() override;
   gpu::ContextSupport* ContextSupport() override;
   class GrContext* GrContext() override;
+  void InvalidateGrContext(uint32_t state) override;
   void SetupLock() override;
   base::Lock* GetLock() override;
   bool IsContextLost() override;