Revert restartInput change off the M57 release branch.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 76ab9da4226e15de3c8fc16a92a39e3af5546161..6fedecfa440f28fc7878bb7aa2250bbb29470b18 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -1885,6 +1885,10 @@ void RenderViewImpl::hasTouchEventHandlers(bool has_handlers) {
   RenderWidget::hasTouchEventHandlers(has_handlers);
 }
 
+void RenderViewImpl::resetInputMethod() {
+  RenderWidget::resetInputMethod();
+}
+
 blink::WebRect RenderViewImpl::rootWindowRect() {
   return RenderWidget::windowRect();
 }