Put Data Reduction Proxy support in Cronet behind a gyp flag

components/cronet/android/test/src/org/chromium/net/NativeTestServer.java

Index: components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
diff --git a/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java b/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
index 9c80c260231fb94397b1cf98d02feff48a3ae6a9..9be7a3bc67dcab31d9acace04d3671dad80a5d5d 100644
--- a/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
+++ b/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
@@ -95,6 +95,10 @@ public final class NativeTestServer {
         return nativeGetHostPort();
     }
 
+    public static boolean isDataReductionProxySupported() {
+        return nativeIsDataReductionProxySupported();
+    }
+
     @CalledByNative
     private static void onHostResolverProcRegistered() {
         sHostResolverBlock.open();
@@ -112,4 +116,5 @@ public final class NativeTestServer {
     private static native String nativeGetFileURL(String filePath);
     private static native String nativeGetSdchURL();
     private static native String nativeGetHostPort();
+    private static native boolean nativeIsDataReductionProxySupported();
 }