Hold a reference to any kind of context in WindowAndroid.

android_webview/java/src/org/chromium/android_webview/AwContents.java

Index: android_webview/java/src/org/chromium/android_webview/AwContents.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwContents.java b/android_webview/java/src/org/chromium/android_webview/AwContents.java
index 1a0acbfb9d883386d19a1026b0a087017e734252..758157e72d55db2e3c4932df270c668417e2aeb1 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwContents.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwContents.java
@@ -906,8 +906,7 @@ public class AwContents implements SmartClipProvider,
         Activity activity = ContentViewCore.activityFromContext(context);
         if (activity == null) {
             if (sCachedWindowAndroid == null) {
-                sCachedWindowAndroid = new WindowAndroidWrapper(
-                        new WindowAndroid(context.getApplicationContext()));
+                sCachedWindowAndroid = new WindowAndroidWrapper(new WindowAndroid(context));
             }
             return sCachedWindowAndroid;
         }