Move setWindowRect and windowRect calls from WebViewClient to WebWidgetClient.

third_party/WebKit/Source/core/loader/EmptyClients.h

Index: third_party/WebKit/Source/core/loader/EmptyClients.h
diff --git a/third_party/WebKit/Source/core/loader/EmptyClients.h b/third_party/WebKit/Source/core/loader/EmptyClients.h
index 95706e339bc743f3754fb9fed7349762ca7f17d8..18e96dd4237ba8b81e600008cb8d2336a92e9c0b 100644
--- a/third_party/WebKit/Source/core/loader/EmptyClients.h
+++ b/third_party/WebKit/Source/core/loader/EmptyClients.h
@@ -74,8 +74,8 @@ public:
     void chromeDestroyed() override {}
 
     void* webView() const override { return nullptr; }
-    void setWindowRect(const IntRect&) override {}
-    IntRect windowRect() override { return IntRect(); }
+    void setWindowRect(const IntRect&, LocalFrame*) override {}
+    IntRect rootWindowRect() override { return IntRect(); }
 
     IntRect pageRect() override { return IntRect(); }