Delay Input.dispatchKeyEvent response until after key event ack.

content/browser/renderer_host/native_web_keyboard_event_aura.cc

Index: content/browser/renderer_host/native_web_keyboard_event_aura.cc
diff --git a/content/browser/renderer_host/native_web_keyboard_event_aura.cc b/content/browser/renderer_host/native_web_keyboard_event_aura.cc
index 4ae4a65f60120b9b13f89d00bdc1e8b589e74be8..54007fa1c5fc942ef7bc41c63d022d5222c5baaa 100644
--- a/content/browser/renderer_host/native_web_keyboard_event_aura.cc
+++ b/content/browser/renderer_host/native_web_keyboard_event_aura.cc
@@ -27,7 +27,8 @@ namespace content {
 
 NativeWebKeyboardEvent::NativeWebKeyboardEvent()
     : os_event(NULL),
-      skip_in_browser(false) {
+      skip_in_browser(false),
+      is_synthetic(false) {
 }
 
 NativeWebKeyboardEvent::NativeWebKeyboardEvent(gfx::NativeEvent native_event)
@@ -37,20 +38,23 @@ NativeWebKeyboardEvent::NativeWebKeyboardEvent(gfx::NativeEvent native_event)
 NativeWebKeyboardEvent::NativeWebKeyboardEvent(const ui::KeyEvent& key_event)
     : WebKeyboardEvent(ui::MakeWebKeyboardEvent(key_event)),
       os_event(CopyEvent(&key_event)),
-      skip_in_browser(false) {}
+      skip_in_browser(false),
+      is_synthetic(false) {}
 
 NativeWebKeyboardEvent::NativeWebKeyboardEvent(
     const NativeWebKeyboardEvent& other)
     : WebKeyboardEvent(other),
       os_event(CopyEvent(other.os_event)),
-      skip_in_browser(other.skip_in_browser) {
+      skip_in_browser(other.skip_in_browser),
+      is_synthetic(other.is_synthetic) {
 }
 
 NativeWebKeyboardEvent::NativeWebKeyboardEvent(const ui::KeyEvent& key_event,
                                                base::char16 character)
     : WebKeyboardEvent(ui::MakeWebKeyboardEvent(key_event)),
       os_event(NULL),
-      skip_in_browser(false) {
+      skip_in_browser(false),
+      is_synthetic(false) {
   type = blink::WebInputEvent::Char;
   windowsKeyCode = character;
   text[0] = character;
@@ -63,6 +67,7 @@ NativeWebKeyboardEvent& NativeWebKeyboardEvent::operator=(
   delete os_event;
   os_event = CopyEvent(other.os_event);
   skip_in_browser = other.skip_in_browser;
+  is_synthetic = other.is_synthetic;
   return *this;
 }