🏠 Allow bottom sheet content to update handle color

chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java

Index: chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java b/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java
index ba7a661608dab6c34660343941ae163ab4cc7607..c76c9e888ddc97ad5f76fd35a9cd6c8362597a06 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/bookmarks/BookmarkSheetContent.java
@@ -4,7 +4,6 @@
 
 package org.chromium.chrome.browser.bookmarks;
 
-import android.support.v7.widget.Toolbar;
 import android.view.View;
 
 import org.chromium.chrome.browser.ChromeActivity;
@@ -12,24 +11,31 @@ import org.chromium.chrome.browser.snackbar.SnackbarManager;
 import org.chromium.chrome.browser.toolbar.BottomToolbarPhone;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheet.BottomSheetContent;
 import org.chromium.chrome.browser.widget.bottomsheet.BottomSheetContentController;
+import org.chromium.chrome.browser.widget.selection.SelectableListToolbar;
 
 /**
  * A {@link BottomSheetContent} holding a {@link BookmarkManager} for display in the BottomSheet.
  */
 public class BookmarkSheetContent implements BottomSheetContent {
     private final View mContentView;
-    private final Toolbar mToolbarView;
+    private final SelectableListToolbar mToolbarView;
     private BookmarkManager mBookmarkManager;
 
     /**
      * @param activity The activity displaying the bookmark manager UI.
      * @param snackbarManager The {@link SnackbarManager} used to display snackbars.
      */
-    public BookmarkSheetContent(ChromeActivity activity, SnackbarManager snackbarManager) {
+    public BookmarkSheetContent(final ChromeActivity activity, SnackbarManager snackbarManager) {
         mBookmarkManager = new BookmarkManager(activity, false, snackbarManager);
         mBookmarkManager.updateForUrl(BookmarkUtils.getLastUsedUrl(activity));
         mContentView = mBookmarkManager.getView();
         mToolbarView = mBookmarkManager.detachToolbarView();
+        mToolbarView.addObserver(new SelectableListToolbar.SelectableListToolbarObserver() {
+            @Override
+            public void onThemeColorChanged(boolean isLightTheme) {
+                activity.getBottomSheet().updateHandleTint();
+            }
+        });
         ((BottomToolbarPhone) activity.getToolbarManager().getToolbar())
                 .setOtherToolbarStyle(mToolbarView);
     }
@@ -45,6 +51,11 @@ public class BookmarkSheetContent implements BottomSheetContent {
     }
 
     @Override
+    public boolean isUsingLightToolbarTheme() {
+        return mToolbarView.isLightTheme();
+    }
+
+    @Override
     public int getVerticalScrollOffset() {
         return mBookmarkManager.getVerticalScrollOffset();
     }