Expand bottom sheet when URL bar is focused

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

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/Toolbar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/Toolbar.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/Toolbar.java
index 04e25778bc3d090034bf6fc106ed22365a541b5e..a6c471fbb8e37c62021ccf490f04a2820ae6378e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/Toolbar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/Toolbar.java
@@ -8,6 +8,7 @@ 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
@@ -43,6 +44,13 @@ public interface Toolbar {
     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();