Move some calls from the Android UI thread to the Chrome one

android_webview/java/src/org/chromium/android_webview/AwDataReductionProxyManager.java

 // Copyright 2015 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.android_webview;
 
 import android.content.ContentResolver;
 import android.content.Context;
 import android.database.ContentObserver;
 import android.database.Cursor;
 import android.database.SQLException;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.util.Log;
 
 import org.chromium.base.CommandLine;
+import org.chromium.base.ThreadUtils;
 
 import java.lang.reflect.Field;
 
 /**
  * Controls data reduction proxy.
  */
 public final class AwDataReductionProxyManager {
     // The setting Uri. Used when querying GoogleSettings.
     // TODO: This GoogleSettings Uri does not exist yet!
     private static final Uri CONTENT_URI = Uri.parse("content://com.google.settings/partner");
@@ skipping 73 matching lines @@
         } catch (IllegalAccessException ex) {
             Log.e(TAG, "No DRP key due to exception:" + ex);
         } catch (NullPointerException ex) {
             Log.e(TAG, "No DRP key due to exception:" + ex);
         }
         return null;
     }
 
     private static void applyDataReductionProxySettingsAsync(
             final Context context, final String key) {
-        AsyncTask<Void, Void, Boolean> task = new AsyncTask<Void, Void, Boolean>() {
+        AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
             @Override
-            protected Boolean doInBackground(Void... params) {
-                return isDataReductionProxyEnabled(context);
+            public void run() {
+                final boolean enabled = isDataReductionProxyEnabled(context);
+
+                ThreadUtils.runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (enabled) {
+                            // Set the data reduction proxy key.
+                            AwContentsStatics.setDataReductionProxyKey(key);
+                        }
+                        AwContentsStatics.setDataReductionProxyEnabled(enabled);
+                    }
+                });
             }
-            @Override
-            protected void onPostExecute(Boolean enabled) {
-                if (enabled) {
-                    // Set the data reduction proxy key.
-                    AwContentsStatics.setDataReductionProxyKey(key);
-                }
-                AwContentsStatics.setDataReductionProxyEnabled(enabled);
-            }
-        };
-        task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+        });
     }
 
     private static boolean isDataReductionProxyEnabled(Context context) {
         return getProxySetting(context.getContentResolver(), WEBVIEW_DATA_REDUCTION_PROXY) != 0;
     }
 
     // Read query setting from GoogleSettings.
     private static int getProxySetting(ContentResolver resolver, String name) {
         String value = null;
         Cursor c = null;
@@ skipping 11 matching lines @@
         try {
             if (value != null) {
                 enabled = Integer.parseInt(value);
             }
         } catch (NumberFormatException e) {
             Log.e(TAG, "cannot parse" + value, e);
         }
         return enabled;
     }
 }