Fix DOM KeyboardEvent 'repeat' state

The 'repeat' state of a DOM KeyboardEvent was always false. The
Aura->blink event modifier mapper was not plumbing it through. Do so!

BUG=263724,394907
TEST=document.body.onkeydown=function(e){console.log(e.repeat);};

Review URL: https://codereview.chromium.org/402613010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284263 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/renderer_host/ui_events_helper.cc

@@ -258,6 +258,8 @@ int EventFlagsToWebEventModifiers(int flags) {
     modifiers |= blink::WebInputEvent::RightButtonDown;
   if (flags & ui::EF_CAPS_LOCK_DOWN)
     modifiers |= blink::WebInputEvent::CapsLockOn;
+  if (flags & ui::EF_IS_REPEAT)
+    modifiers |= blink::WebInputEvent::IsAutoRepeat;
   return modifiers;
 }
 

content/browser/renderer_host/web_input_event_aurax11.cc

@@ -132,7 +132,7 @@ blink::WebKeyboardEvent MakeWebKeyboardEventFromAuraEvent(
 
   webkit_event.setKeyIdentifierFromWindowsKeyCode();
 
-  // TODO: IsAutoRepeat/IsKeyPad?
+  // TODO: IsKeyPad?
 
   return webkit_event;
 }