Allow LauncherOverlay to access and manage insets

Change-Id: Ib9faf37eb22ad2a0b18c076978ec9f2fd8864c0c
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 309837f..da83aa0 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -231,7 +231,7 @@
 
     LauncherOverlayCallbacks mLauncherOverlayCallbacks = new LauncherOverlayCallbacksImpl();
     LauncherOverlay mLauncherOverlay;
-    ViewGroup mLauncherOverlayView;
+    InsettableFrameLayout mLauncherOverlayContainer;
 
     static final int APPWIDGET_HOST_ID = 1024;
     public static final int EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT = 300;
@@ -514,9 +514,9 @@
             mLauncherCallbacks.onCreate(savedInstanceState);
             if (mLauncherCallbacks.hasLauncherOverlay()) {
                 ViewStub stub = (ViewStub) findViewById(R.id.launcher_overlay_stub);
-                mLauncherOverlayView = (ViewGroup) stub.inflate();
-                mLauncherOverlay = mLauncherCallbacks.setLauncherOverlayView(mLauncherOverlayView,
-                        mLauncherOverlayCallbacks);
+                mLauncherOverlayContainer = (InsettableFrameLayout) stub.inflate();
+                mLauncherOverlay = mLauncherCallbacks.setLauncherOverlayView(
+                        mLauncherOverlayContainer, mLauncherOverlayCallbacks);
                 mWorkspace.setLauncherOverlay(mLauncherOverlay);
             }
         }