Fix scroll restoration when exiting fullscreen mode.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 358754a6894b03d62c33345edbeb32d2c1b4d915..7f171140bc58846f93945d2cc45804254775a386 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1674,17 +1674,6 @@ void WebContentsImpl::ExitFullscreenMode() {
   if (delegate_)
     delegate_->ExitFullscreenModeForTab(this);
 
-  // Ensure web contents exit fullscreen state by sending a resize message,
-  // which includes the fullscreen state. This is required for the situation
-  // of the browser moving the view into a fullscreen state "browser fullscreen"
-  // and then the contents entering "tab fullscreen". Exiting the contents
-  // "tab fullscreen" then won't have the side effect of the view resizing,
-  // hence the explicit call here is required.
-  if (RenderWidgetHostView* rwh_view = GetRenderWidgetHostView()) {
-    if (RenderWidgetHost* render_widget_host = rwh_view->GetRenderWidgetHost())
-      render_widget_host->WasResized();
-  }
-
   FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                     DidToggleFullscreenModeForTab(IsFullscreenForCurrentTab(
                         GetRenderViewHost()->GetWidget())));