aw: Fix FBO restore bug

android_webview/browser/surfaces_instance.h

Index: android_webview/browser/surfaces_instance.h
diff --git a/android_webview/browser/surfaces_instance.h b/android_webview/browser/surfaces_instance.h
index 709b389bda7aafa1e654db6e7ea25320cd61d343..f40392171190f2fb003874a2b10b55e1c393fd4a 100644
--- a/android_webview/browser/surfaces_instance.h
+++ b/android_webview/browser/surfaces_instance.h
@@ -36,7 +36,8 @@ class SurfacesInstance : public base::RefCounted<SurfacesInstance>,
                          public cc::DisplayClient,
                          public cc::SurfaceFactoryClient {
  public:
-  static scoped_refptr<SurfacesInstance> GetOrCreateInstance();
+  static scoped_refptr<SurfacesInstance> GetOrCreateInstance(
+      int framebuffer_binding_ext);
 
   std::unique_ptr<cc::SurfaceIdAllocator> CreateSurfaceIdAllocator();
   cc::SurfaceManager* GetSurfaceManager();
@@ -55,7 +56,7 @@ class SurfacesInstance : public base::RefCounted<SurfacesInstance>,
  private:
   friend class base::RefCounted<SurfacesInstance>;
 
-  SurfacesInstance();
+  explicit SurfacesInstance(int framebuffer_binding_ext);
   ~SurfacesInstance() override;
 
   // cc::DisplayClient overrides.