Add null check to ToolbarControlContainer#getProgressBarDrawingInfo()

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

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarControlContainer.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarControlContainer.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarControlContainer.java
index 683b0e679b2899868cd522628e69529a816fb96a..b4de13bbc872fdaeea46baedfd00f09082f7843c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarControlContainer.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarControlContainer.java
@@ -18,6 +18,7 @@ import org.chromium.chrome.browser.compositor.layouts.eventfilter.EdgeSwipeHandl
 import org.chromium.chrome.browser.contextualsearch.SwipeRecognizer;
 import org.chromium.chrome.browser.widget.ClipDrawableProgressBar.DrawingInfo;
 import org.chromium.chrome.browser.widget.ControlContainer;
+import org.chromium.chrome.browser.widget.ToolbarProgressBar;
 import org.chromium.chrome.browser.widget.ViewResourceFrameLayout;
 import org.chromium.ui.UiUtils;
 import org.chromium.ui.resources.dynamics.ViewResourceAdapter;
@@ -57,7 +58,8 @@ public class ToolbarControlContainer extends FrameLayout implements ControlConta
     @Override
     public void getProgressBarDrawingInfo(DrawingInfo drawingInfoOut) {
         // TODO(yusufo): Avoid casting to the layout without making the interface bigger.
-        ((ToolbarLayout) mToolbar).getProgressBar().getDrawingInfo(drawingInfoOut);
+        ToolbarProgressBar progressBar = ((ToolbarLayout) mToolbar).getProgressBar();
+        if (progressBar != null) progressBar.getDrawingInfo(drawingInfoOut);
     }
 
     @Override