🏡 Add a ChromeHomeNewTabPage

chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
index 6447d0fa44eb610dd03a601aa87b8c263612d25a..ebeb3e7257f3ffeba044cded0b0b853b9198c210 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
@@ -246,6 +246,7 @@ public abstract class ChromeActivity extends AsyncInitializationActivity
     private AppMenuHandler mAppMenuHandler;
     private ToolbarManager mToolbarManager;
     private BottomSheet mBottomSheet;
+    private FadingBackgroundView mFadingBackgroundView;
 
     // Time in ms that it took took us to inflate the initial layout
     private long mInflateInitialLayoutDurationMs;
@@ -351,15 +352,14 @@ public abstract class ChromeActivity extends AsyncInitializationActivity
             mBottomSheet.setTabModelSelector(mTabModelSelector);
             mBottomSheet.setFullscreenManager(mFullscreenManager);
 
-            final FadingBackgroundView fadingView =
-                    (FadingBackgroundView) findViewById(R.id.fading_focus_target);
+            mFadingBackgroundView = (FadingBackgroundView) findViewById(R.id.fading_focus_target);
             mBottomSheet.addObserver(new EmptyBottomSheetObserver() {
                 @Override
                 public void onTransitionPeekToHalf(float transitionFraction) {
-                    fadingView.setViewAlpha(transitionFraction);
+                    mFadingBackgroundView.setViewAlpha(transitionFraction);
                 }
             });
-            fadingView.addObserver(mBottomSheet);
+            mFadingBackgroundView.addObserver(mBottomSheet);
         }
         ((BottomContainer) findViewById(R.id.bottom_container)).initialize(mFullscreenManager);
     }
@@ -621,6 +621,13 @@ public abstract class ChromeActivity extends AsyncInitializationActivity
     }
 
     /**
+     * @return The View used to obscure content and bring focus to a foreground view.
+     */
+    public FadingBackgroundView getFadingBackgroundView() {
+        return mFadingBackgroundView;
+    }
+
+    /**
      * @return {@link AppMenuPropertiesDelegate} instance that the {@link AppMenuHandler}
      *         should be using in this activity.
      */