Route Text Layout Change IPCs to the Active RenderWidgetHost

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 284533c8122b0257a8b835f96de284d305bb3a0b..cd367417f00dbf837dd8fb272a4cac0560b773b2 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -1606,14 +1606,14 @@ void RenderWidgetHostViewAura::OnInputMethodChanged() {
 
 bool RenderWidgetHostViewAura::ChangeTextDirectionAndLayoutAlignment(
       base::i18n::TextDirection direction) {
-  // TODO(wjmaclean): can host_ ever be null?
-  if (!host_)
+  if (!GetTextInputManager() && !GetTextInputManager()->GetActiveWidget())
     return false;
-  host_->UpdateTextDirection(
-      direction == base::i18n::RIGHT_TO_LEFT ?
-      blink::WebTextDirectionRightToLeft :
-      blink::WebTextDirectionLeftToRight);
-  host_->NotifyTextDirection();
+
+  GetTextInputManager()->GetActiveWidget()->UpdateTextDirection(
+      direction == base::i18n::RIGHT_TO_LEFT
+          ? blink::WebTextDirectionRightToLeft
+          : blink::WebTextDirectionLeftToRight);
+  GetTextInputManager()->GetActiveWidget()->NotifyTextDirection();
   return true;
 }