https://bugzilla.mozilla.org/show_bug.cgi?id=1091987

--- a/widget/android/AndroidJavaWrappers.h	
+++ a/widget/android/AndroidJavaWrappers.h	
@@ -228,16 +228,17 @@ private:
     static jmethodID jBeginDrawingMethod;
     static jmethodID jDrawBackgroundMethod;
     static jmethodID jDrawForegroundMethod;
     static jmethodID jEndDrawingMethod;
 };
 
 enum {
     // These keycode masks are not defined in android/keycodes.h:
+#if __ANDROID_API__ < 15
     AKEYCODE_ESCAPE             = 111,
     AKEYCODE_FORWARD_DEL        = 112,
     AKEYCODE_CTRL_LEFT          = 113,
     AKEYCODE_CTRL_RIGHT         = 114,
     AKEYCODE_CAPS_LOCK          = 115,
     AKEYCODE_SCROLL_LOCK        = 116,
     AKEYCODE_META_LEFT          = 117,
     AKEYCODE_META_RIGHT         = 118,
@@ -337,16 +338,17 @@ enum {
     AKEYCODE_EISU               = 212,
     AKEYCODE_MUHENKAN           = 213,
     AKEYCODE_HENKAN             = 214,
     AKEYCODE_KATAKANA_HIRAGANA  = 215,
     AKEYCODE_YEN                = 216,
     AKEYCODE_RO                 = 217,
     AKEYCODE_KANA               = 218,
     AKEYCODE_ASSIST             = 219,
+#endif
 
     AMETA_FUNCTION_ON           = 0x00000008,
     AMETA_CTRL_ON               = 0x00001000,
     AMETA_CTRL_LEFT_ON          = 0x00002000,
     AMETA_CTRL_RIGHT_ON         = 0x00004000,
     AMETA_META_ON               = 0x00010000,
     AMETA_META_LEFT_ON          = 0x00020000,
     AMETA_META_RIGHT_ON         = 0x00040000,