Issue 3769 - UI colours gone bad

mobile/android/base/resources/layout/browser_toolbar.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- This Source Code Form is subject to the terms of the Mozilla Public
    - 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/. -->
 
 <merge xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- Note: any layout parameters setting the right edge of
          this View should be matched in the url_bar_translating_edge. -->
     <ImageView android:id="@+id/url_bar_entry"
@@ skipping 26 matching lines @@
                android:scaleType="fitXY"/>
 
     <org.mozilla.gecko.toolbar.ShapedButtonFrameLayout
             android:id="@+id/menu"
             style="@style/UrlBar.ImageButton"
             android:layout_alignParentRight="true"
             android:contentDescription="@string/menu"
             android:background="@drawable/shaped_button"
             android:visibility="gone">
 
+        <!-- Using ABB color palette. See https://issues.adblockplus.org/ticket/3769 -->
         <org.mozilla.gecko.widget.themed.ThemedImageView
                 android:id="@+id/menu_icon"
-                style="@style/UrlBar.ImageButton"
+                style="@style/Abb.BrowserToolbar.MenuIcon"
                 android:layout_height="@dimen/browser_toolbar_menu_icon_height"
                 android:layout_width="wrap_content"
                 android:scaleType="centerInside"
                 android:layout_gravity="center"
-                android:src="@drawable/menu"
-                android:tint="@color/tabs_tray_icon_grey"/>
+                android:src="@drawable/menu"/>
 
     </org.mozilla.gecko.toolbar.ShapedButtonFrameLayout>
 
     <org.mozilla.gecko.toolbar.PhoneTabsButton android:id="@+id/tabs"
                                                style="@style/UrlBar.ImageButton"
                                                android:layout_width="64dip"
                                                android:layout_toLeftOf="@id/menu"
                                                android:layout_alignWithParentIfMissing="true"
                                                android:background="@drawable/shaped_button"/>
 
@@ skipping 38 matching lines @@
                   android:paddingRight="8dp"/>
 
     <org.mozilla.gecko.toolbar.ToolbarDisplayLayout android:id="@+id/display_layout"
                   style="@style/UrlBar.Button"
                   android:layout_alignLeft="@id/url_bar_entry"
                   android:layout_alignRight="@id/url_bar_entry"
                   android:paddingLeft="8dip"
                   android:paddingRight="4dip"/>
 
 </merge>