Put Data Reduction Proxy support in Cronet behind a gyp flag

components/cronet/android/test/native_test_server.cc

 // 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.
 
 #include "native_test_server.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ skipping 134 matching lines @@
   return base::android::ConvertUTF8ToJavaString(env, url.spec()).Release();
 }
 
 jstring GetHostPort(JNIEnv* env, jclass jcaller) {
   DCHECK(g_test_server);
   std::string host_port =
       net::HostPortPair::FromURL(g_test_server->base_url()).ToString();
   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);
 }
 
 }  // namespace cronet