Make WindowAndroid constructor takes context as param.

chrome/android/java/src/org/chromium/chrome/browser/autofill/AutofillPopupGlue.java

Index: chrome/android/java/src/org/chromium/chrome/browser/autofill/AutofillPopupGlue.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/autofill/AutofillPopupGlue.java b/chrome/android/java/src/org/chromium/chrome/browser/autofill/AutofillPopupGlue.java
index fc8f4edd98adb5d2831b3d3bb9fb66ad893e93c1..6e9e3443abfcefa5abdffb9a70acb1a10b1baacf 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/autofill/AutofillPopupGlue.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/autofill/AutofillPopupGlue.java
@@ -4,6 +4,8 @@
 
 package org.chromium.chrome.browser.autofill;
 
+import android.content.Context;
+
 import org.chromium.base.CalledByNative;
 import org.chromium.base.JNINamespace;
 import org.chromium.ui.ViewAndroid;
@@ -24,7 +26,9 @@ public class AutofillPopupGlue implements AutofillPopupDelegate{
     public AutofillPopupGlue(int nativeAutofillPopupViewAndroid, WindowAndroid windowAndroid,
             ViewAndroidDelegate containerViewDelegate) {
         mNativeAutofillPopup = nativeAutofillPopupViewAndroid;
-        mAutofillPopup = new AutofillPopup(windowAndroid.getContext(), containerViewDelegate, this);
+        Context context = windowAndroid.getContext();
+        assert context != null;
+        mAutofillPopup = new AutofillPopup(context, containerViewDelegate, this);
     }
 
     @CalledByNative