Remove access to WebContents in RWHVA::Focus()

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 78c0d2271379a3629f84f3621665b921121d1daf..42a0577b9726500436b3ac77d5dcabef289d9ed1 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -600,12 +600,6 @@ void RenderWidgetHostViewAndroid::Focus() {
   host_->Focus();
   if (overscroll_controller_)
     overscroll_controller_->Enable();
-  if (content_view_core_) {
-    WebContentsImpl* web_contents_impl =
-        static_cast<WebContentsImpl*>(content_view_core_->GetWebContents());
-    if (web_contents_impl->ShowingInterstitialPage())
-      content_view_core_->ForceUpdateImeAdapter(GetNativeImeAdapter());
-  }
 }
 
 bool RenderWidgetHostViewAndroid::HasFocus() const {