Put Data Reduction Proxy support in Cronet behind a gyp flag

components/cronet/android/test/native_test_server.cc

Index: components/cronet/android/test/native_test_server.cc
diff --git a/components/cronet/android/test/native_test_server.cc b/components/cronet/android/test/native_test_server.cc
index cc52b3034f9851d2a18dada7f620be7112a12972..10541ef980e1319a1fe057317a203bcf00e2058d 100644
--- a/components/cronet/android/test/native_test_server.cc
+++ b/components/cronet/android/test/native_test_server.cc
@@ -152,6 +152,14 @@ jstring GetHostPort(JNIEnv* env, jclass jcaller) {
   return base::android::ConvertUTF8ToJavaString(env, host_port).Release();
 }
 
+jboolean IsDataReductionProxySupported(JNIEnv* env, jclass jcaller) {
+#if defined(DATA_REDUCTION_PROXY_SUPPORT)
+  return true;

[mef, 2015/05/13 18:21:24]

JNI_TRUE

[bengr, 2015/05/15 00:54:55]

Done.

+#else
+  return false;

[mef, 2015/05/13 18:21:25]

JNI_FALSE

[bengr, 2015/05/15 00:54:55]

Done.

+#endif
+}
+
 bool RegisterNativeTestServer(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }