Expand bottom sheet when URL bar is focused

chrome/android/java/src/org/chromium/chrome/browser/toolbar/Toolbar.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.toolbar;
 
 import android.graphics.Rect;
 import android.view.View;
 
 import org.chromium.chrome.browser.compositor.layouts.LayoutUpdateHost;
+import org.chromium.chrome.browser.widget.BottomSheet;
 
 /**
  * An interface for outside packages to interact with ToolbarLayout. Other than for testing purposes
  * this interface should be used rather than {@link ToolbarLayout} and extending classes.
  */
 public interface Toolbar {
 
     /**
      * Calculates the {@link Rect} that represents the content area of the location bar.  This
      * rect will be relative to the toolbar.
@@ skipping 15 matching lines @@
 
     /**
      * Sets whether or not the toolbar should draw as if it's being captured for a snapshot
      * texture.  In this mode it will only draw the toolbar in it's normal state (no TabSwitcher
      * or animations).
      * @param textureMode Whether or not to be in texture capture mode.
      */
     void setTextureCaptureMode(boolean textureMode);
 
     /**
+     * Set the {@link BottomSheet} for triggering animations. This can be null if Chrome Home is
+     * disabled.
+     * @param sheet The {@link BottomSheet}.
+     */
+    void setBottomSheet(BottomSheet sheet);
+
+    /**
      * @return Whether a dirty check for invalidation makes sense at this time.
      */
     boolean isReadyForTextureCapture();
 
     /**
      * Sets whether or not the toolbar should force itself to draw for a texture capture regardless
      * of other criteria used in isReadyForTextureCapture(). A texture capture will only be forced
      * if the toolbar drawables tint is changing.
      *
      * @param forceTextureCapture Whether the toolbar should force itself to draw.
@@ skipping 23 matching lines @@
      * Remove the update badge on the app menu button. Initially the badge is invisible so that it
      * gets measured and the tab switcher animation looks correct when the badge is first shown. If
      * the badge will never be shown or should no longer be shown, this method should be called to
      * change the visibility to gone to avoid unnecessary layout work. The disappearance of the
      * badge is optionally animated if it was previously visible.
      *
      * @param animate Whether the removal of the badge should be animated.
      */
     void removeAppMenuUpdateBadge(boolean animate);
 }