Bug 1217416 - Override Snackbar.Message style in base theme. r=margaret

mobile/android/base/GeckoApp.java

@@ -72,6 +72,7 @@ import android.os.StrictMode;
 import android.provider.ContactsContract;
 import android.provider.MediaStore.Images.Media;
 import android.support.design.widget.Snackbar;
+import android.support.v4.content.ContextCompat;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Base64;
@@ -851,6 +852,7 @@ public abstract class GeckoApp
             final SnackbarEventCallback snackbarCallback = new SnackbarEventCallback(callback);
 
             snackbar.setAction(action, snackbarCallback);
+            snackbar.setActionTextColor(ContextCompat.getColor(this, R.color.fennec_ui_orange));
             snackbar.setCallback(snackbarCallback);
         }
 

mobile/android/base/resources/values/styles.xml

@@ -3,7 +3,7 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<resources xmlns:android="http://schemas.android.com/apk/res/android">
+<resources xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools">
 
     <!--
         Base application styles. This could be overridden in other res/values-XXX/themes.xml.
@@ -293,6 +293,11 @@
         <item name="android:textSize">14sp</item>
     </style>
 
+    <style name="TextAppearance.Design.Snackbar.Message" parent="android:TextAppearance" tools:override="true">
+        <item name="android:textSize">@dimen/design_snackbar_text_size</item>
+        <item name="android:textColor">@android:color/white</item>
+    </style>
+
     <!--
         TextAppearance
         Note: Gecko uses light theme as default, while Android uses dark.