Add an API to disable data reduction proxy.

Bug: 16011253

Under rare circumstances, the application may need to disable the
data reduction proxy. This is to provide a way to do that.

Change-Id: I031f689f9d72460c7241aec78459185e0b31f059

2 files changed, 20 insertions, 0 deletions

diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java
index 482c7e8..290a574 100644
--- a/core/java/android/webkit/WebView.java
+++ b/core/java/android/webkit/WebView.java
@@ -1805,6 +1805,21 @@ public class WebView extends AbsoluteLayout
     }
 
     /**
+     * Sets whether the application wants to opt out from using the Data Reduction Proxy
+     * service.
+     * Data reduction proxy can only be enabled by the user and will almost always be
+     * transparent to the application. In rare cases where using the proxy interferes
+     * with the app, the application developer can use this API to opt out from using the
+     * proxy. Note that this may increase network bandwidth usage.
+     *
+     * See <a href=http://developer.chrome.com/multidevice/data-compression>
+     * Data Compression Proxy</a>
+     */
+    public static void optOutDataReductionProxy() {
+        getFactory().getStatics().optOutDataReductionProxy();
+    }
+
+    /**
      * Gets the list of currently loaded plugins.
      *
      * @return the list of currently loaded plugins
diff --git a/core/java/android/webkit/WebViewFactoryProvider.java b/core/java/android/webkit/WebViewFactoryProvider.java
index 6e6a987..5ff2655 100644
--- a/core/java/android/webkit/WebViewFactoryProvider.java
+++ b/core/java/android/webkit/WebViewFactoryProvider.java
@@ -59,6 +59,11 @@ public interface WebViewFactoryProvider {
          */
         void clearClientCertPreferences(Runnable onCleared);
 
+        /**
+         * Implements the API method:
+         * {@link android.webkit.WebView#optOutDataReductionProxy() }
+         */
+        void optOutDataReductionProxy();
     }
 
     Statics getStatics();