Delete unused class EmptyRemoteFrameClient

Change-Id: I40207e26b973cf669b0a45b4215c486e2bcc29fd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2617057
Auto-Submit: Stefan Zager <szager@chromium.org>
Commit-Queue: Nate Chapin <japhet@chromium.org>
Reviewed-by: Nate Chapin <japhet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842633}

third_party/blink/renderer/core/loader/empty_clients.cc

@@ -184,6 +184,4 @@ EmptyLocalFrameClient::CreateServiceWorkerProvider() {
   return nullptr;
 }
 
-EmptyRemoteFrameClient::EmptyRemoteFrameClient() = default;
-
 }  // namespace blink

third_party/blink/renderer/core/loader/empty_clients.h

@@ -400,37 +400,6 @@ class EmptySpellCheckPanelHostClient : public WebSpellCheckPanelHostClient {
   DISALLOW_COPY_AND_ASSIGN(EmptySpellCheckPanelHostClient);
 };
 
-class CORE_EXPORT EmptyRemoteFrameClient : public RemoteFrameClient {
- public:
-  EmptyRemoteFrameClient();
-
-  // RemoteFrameClient implementation.
-  void Navigate(const ResourceRequest&,
-                blink::WebLocalFrame* initiator_frame,
-                bool should_replace_current_entry,
-                bool is_opener_navigation,
-                bool initiator_frame_has_download_sandbox_flag,
-                bool initiator_frame_is_ad,
-                mojo::PendingRemote<mojom::blink::BlobURLToken>,
-                const base::Optional<WebImpression>&) override {}
-  unsigned BackForwardLength() override { return 0; }
-  void FrameRectsChanged(const IntRect& local_frame_rect,
-                         const IntRect& transformed_frame_rect) override {}
-  void SynchronizeVisualProperties() override {}
-  AssociatedInterfaceProvider* GetRemoteAssociatedInterfaces() override {
-    return AssociatedInterfaceProvider::GetEmptyAssociatedInterfaceProvider();
-  }
-
-  // FrameClient implementation.
-  bool InShadowTree() const override { return false; }
-  void Detached(FrameDetachType) override {}
-  base::UnguessableToken GetDevToolsFrameToken() const override {
-    return base::UnguessableToken::Create();
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(EmptyRemoteFrameClient);
-};
-
 CORE_EXPORT void FillWithEmptyClients(Page::PageClients&);
 
 }  // namespace blink