Android: Remove GetApplicationContext part 1

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser;
 
 import android.content.Context;
 import android.net.Uri;
 import android.support.v4.content.FileProvider;
 
 import org.chromium.base.ContentUriUtils;
+import org.chromium.base.ContextUtils;
 
 import java.io.File;
 
 /**
  * Utilities for translating a file into content URI.
  */
 public class FileProviderHelper implements ContentUriUtils.FileProviderUtil {
     // Keep this variable in sync with the value defined in file_paths.xml.
     private static final String API_AUTHORITY_SUFFIX = ".FileProvider";
 
     @Override
-    public Uri getContentUriFromFile(Context context, File file) {
-        return FileProvider.getUriForFile(context,
-                context.getPackageName() + API_AUTHORITY_SUFFIX, file);
+    public Uri getContentUriFromFile(File file) {
+        Context appContext = ContextUtils.getApplicationContext();
+        return FileProvider.getUriForFile(
+                appContext, appContext.getPackageName() + API_AUTHORITY_SUFFIX, file);
     }
 }