backout 578bf8d6363c for causing robocop pan regression

mobile/android/base/BrowserApp.java

@@ -487,7 +487,7 @@ abstract public class BrowserApp extends GeckoApp
             Telemetry.sendUIEvent(TelemetryContract.Event.LOAD_URL, TelemetryContract.Method.INTENT);
         }
 
-        ((GeckoApp.MainLayout) mMainLayout).setTouchEventInterceptor(new HideOnTouchListener());
+        ((GeckoApp.MainLayout) mMainLayout).setTouchEventInterceptor(new HideTabsTouchListener());
         ((GeckoApp.MainLayout) mMainLayout).setMotionEventInterceptor(new MotionEventInterceptor() {
             @Override
             public boolean onInterceptMotionEvent(View view, MotionEvent event) {
@@ -1985,17 +1985,11 @@ abstract public class BrowserApp extends GeckoApp
         mBrowserSearch.setUserVisibleHint(false);
     }
 
-    /**
-     * Hides certain UI elements (e.g. button toast, tabs tray) when the
-     * user touches the main layout.
-     */
-    private class HideOnTouchListener implements TouchEventInterceptor {
+    private class HideTabsTouchListener implements TouchEventInterceptor {
         private boolean mIsHidingTabs = false;
 
         @Override
         public boolean onInterceptTouchEvent(View view, MotionEvent event) {
-            getButtonToast().hide(false, ButtonToast.ReasonHidden.TOUCH_OUTSIDE);
-
             // We need to account for scroll state for the touched view otherwise
             // tapping on an "empty" part of the view will still be considered a
             // valid touch event.

mobile/android/base/widget/ButtonToast.java

@@ -42,7 +42,6 @@ public class ButtonToast {
 
     public enum ReasonHidden {
         CLICKED,
-        TOUCH_OUTSIDE,
         TIMEOUT,
         REPLACED,
         STARTUP