Revert of aw: Fix FactoryProvider threading

android_webview/glue/java/src/com/android/webview/chromium/WebViewChromium.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 com.android.webview.chromium;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.Intent;
@@ skipping 184 matching lines @@
                     destroy();
                 }
             }
         });
     }
 
     private void initForReal() {
         AwContentsStatics.setRecordFullDocument(sRecordWholeDocumentEnabledByApi
                 || mAppTargetSdkVersion < Build.VERSION_CODES.LOLLIPOP);
 
-        mAwContents = new AwContents(mFactory.getBrowserContextOnUiThread(), mWebView, mContext,
+        mAwContents = new AwContents(mFactory.getBrowserContext(), mWebView, mContext,
                 new InternalAccessAdapter(), new WebViewNativeDrawGLFunctorFactory(),
                 mContentsClientAdapter, mWebSettings.getAwSettings());
 
         if (mAppTargetSdkVersion >= Build.VERSION_CODES.KITKAT) {
             // On KK and above, favicons are automatically downloaded as the method
             // old apps use to enable that behavior is deprecated.
             AwContents.setShouldDownloadFavicons();
         }
 
         if (mAppTargetSdkVersion < Build.VERSION_CODES.LOLLIPOP) {
@@ skipping 2011 matching lines @@
         mAwContents.extractSmartClipData(x, y, width, height);
     }
 
     // Implements SmartClipProvider
     @Override
     public void setSmartClipResultHandler(final Handler resultHandler) {
         checkThread();
         mAwContents.setSmartClipResultHandler(resultHandler);
     }
 }