Delete Cronet Data Reduction Proxy integration

components/cronet/android/cronet_url_request_context_adapter.h

Index: components/cronet/android/cronet_url_request_context_adapter.h
diff --git a/components/cronet/android/cronet_url_request_context_adapter.h b/components/cronet/android/cronet_url_request_context_adapter.h
index 664c8f39689fc10a974aafd5083c91cb26c7b420..666af1a7e31bd963b89e56428ee2a5f7cd85da1a 100644
--- a/components/cronet/android/cronet_url_request_context_adapter.h
+++ b/components/cronet/android/cronet_url_request_context_adapter.h
@@ -42,10 +42,6 @@ class FileNetLogObserver;
 namespace cronet {
 class TestUtil;
 
-#if defined(DATA_REDUCTION_PROXY_SUPPORT)
-class CronetDataReductionProxy;
-#endif
-
 struct URLRequestContextConfig;
 
 bool CronetUrlRequestContextAdapterRegisterJni(JNIEnv* env);
@@ -255,10 +251,6 @@ class CronetURLRequestContextAdapter
   // Java object that owns this CronetURLRequestContextAdapter.
   base::android::ScopedJavaGlobalRef<jobject> jcronet_url_request_context_;
 
-#if defined(DATA_REDUCTION_PROXY_SUPPORT)
-  std::unique_ptr<CronetDataReductionProxy> data_reduction_proxy_;
-#endif
-
   DISALLOW_COPY_AND_ASSIGN(CronetURLRequestContextAdapter);
 };