Fix Ozone keyboard layout to handle German Neo 2.

ui/events/ozone/evdev/keyboard_evdev.cc

Index: ui/events/ozone/evdev/keyboard_evdev.cc
diff --git a/ui/events/ozone/evdev/keyboard_evdev.cc b/ui/events/ozone/evdev/keyboard_evdev.cc
index 1def4c66a8bef5977b6066af3636e5516bfbb436..dd0cc4f7bc4a0a0b4bf23482e624568234f288fb 100644
--- a/ui/events/ozone/evdev/keyboard_evdev.cc
+++ b/ui/events/ozone/evdev/keyboard_evdev.cc
@@ -35,6 +35,8 @@ int EventFlagToEvdevModifier(int flag) {
       return EVDEV_MODIFIER_ALT;
     case EF_ALTGR_DOWN:
       return EVDEV_MODIFIER_ALTGR;
+    case EF_MOD3_DOWN:
+      return EVDEV_MODIFIER_MOD3;
     case EF_LEFT_MOUSE_BUTTON:
       return EVDEV_MODIFIER_LEFT_MOUSE_BUTTON;
     case EF_MIDDLE_MOUSE_BUTTON:
@@ -214,8 +216,15 @@ void KeyboardEvdev::DispatchKey(unsigned int key,
                                        &key_code, &platform_keycode)) {
     return;
   }
-  if (!repeat)
-    UpdateModifier(ModifierDomKeyToEventFlag(dom_key), down);
+  if (!repeat) {
+    int flag = ModifierDomKeyToEventFlag(dom_key);
+    UpdateModifier(flag, down);
+    // X11 XKB, using the configuration as modified for ChromeOS, always sets
+    // EF_MOD3_DOWN for the physical CapsLock key, so we imitate this to make
+    // certain layouts work. crbug.com/495277
+    if (static_cast<int>(dom_code) == 0x070039)

[kpschoedel, 2015/06/08 20:11:32]

Oops — forgot to do something about this before uploading.

[kpschoedel, 2015/06/08 20:53:03]

Done.

+      UpdateModifier(EF_MOD3_DOWN, down);
+  }
 
   KeyEvent event(down ? ET_KEY_PRESSED : ET_KEY_RELEASED, key_code, dom_code,
                  modifiers_->GetModifierFlags(), dom_key, character, timestamp);
@@ -224,5 +233,4 @@ void KeyboardEvdev::DispatchKey(unsigned int key,
     event.set_platform_keycode(platform_keycode);
   callback_.Run(&event);
 }
-
 }  // namespace ui