Use ContextUtils in PhysicalWeb

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBleClient.java

Index: chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBleClient.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBleClient.java b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBleClient.java
index 01918a30528c9369d8366497acf330f51597ff1d..233bbb74999a37d2813f9a383cceab805cabbe78 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBleClient.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBleClient.java
@@ -6,6 +6,7 @@ package org.chromium.chrome.browser.physicalweb;
 
 import android.app.Activity;
 
+import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
 import org.chromium.chrome.browser.ChromeApplication;
 
@@ -21,14 +22,13 @@ public class PhysicalWebBleClient {
 
     /**
      * Get a singleton instance of this class.
-     * @param chromeApplication An instance of {@link ChromeApplication}, used to get the
-     * appropriate PhysicalWebBleClient implementation.
      * @return an instance of this class (or subclass) as decided by the
      * application parameter
      */
-    public static PhysicalWebBleClient getInstance(ChromeApplication chromeApplication) {
+    public static PhysicalWebBleClient getInstance() {
         if (sInstance == null) {
-            sInstance = chromeApplication.createPhysicalWebBleClient();
+            sInstance = ((ChromeApplication) ContextUtils.getApplicationContext())
+                    .createPhysicalWebBleClient();
         }
         return sInstance;
     }