Fix autofill popup controller key press callback registration

chrome/browser/ui/autofill/popup_controller_common.h

Index: chrome/browser/ui/autofill/popup_controller_common.h
diff --git a/chrome/browser/ui/autofill/popup_controller_common.h b/chrome/browser/ui/autofill/popup_controller_common.h
index 45edaec72c87e76493a6a2f3950a1dd98071db16..b540810330ea8429640080edb4941371984d2ac8 100644
--- a/chrome/browser/ui/autofill/popup_controller_common.h
+++ b/chrome/browser/ui/autofill/popup_controller_common.h
@@ -12,7 +12,6 @@
 #include "ui/gfx/native_widget_types.h"
 
 namespace content {
-class RenderViewHost;
 class WebContents;
 }
 
@@ -34,18 +33,18 @@ class PopupControllerCommon {
   gfx::NativeView container_view() { return container_view_; }
   content::WebContents* web_contents() { return web_contents_; }
 
-  // Callback used to register with RenderViewHost. This can only be set once,
-  // or else a callback may be registered that will not be removed
+  // Callback used to register with RenderWidgetHost. This can only be set
+  // once, or else a callback may be registered that will not be removed
   // (crbug.com/338070). Call will crash if callback is already set.
   void SetKeyPressCallback(content::RenderWidgetHost::KeyPressEventCallback);
 
-  // Register listener for key press events with the current RenderViewHost
-  // associated with |web_contents_|. If callback has already been registered,
-  // this has no effect.
+  // Register listener for key press events with the current RenderWidgetHost
+  // associated with focused frame in |web_contents_|. If callback has already
+  // been registered, this has no effect.
   void RegisterKeyPressCallback();
 
   // Remove previously registered callback, assuming that the current
-  // RenderViewHost is the same as when it was originally registered. Safe to
+  // RenderWidgetHost is the same as when it was originally registered. Safe to
   // call even if the callback is not currently registered.
   void RemoveKeyPressCallback();
 
@@ -65,9 +64,9 @@ class PopupControllerCommon {
   // listen for keyboard events.
   content::WebContents* web_contents_;
 
-  // The RenderViewHost that this object has registered its keyboard press
+  // The RenderWidgetHost that this object has registered its keyboard press
   // callback with.
-  content::RenderViewHost* key_press_event_target_;
+  content::RenderWidgetHost* key_press_event_target_;
 
   content::RenderWidgetHost::KeyPressEventCallback key_press_event_callback_;