WIP: Some cronet modifications for the AndroidGSA

components/cronet/android/org_chromium_net_UrlRequest.cc

Index: components/cronet/android/org_chromium_net_UrlRequest.cc
diff --git a/components/cronet/android/org_chromium_net_UrlRequest.cc b/components/cronet/android/org_chromium_net_UrlRequest.cc
index 2183589bf35fa6bf76977516ab26c61c6bb4dbb9..404de74cb8d725eff5cd1dedde40213a11f510af 100644
--- a/components/cronet/android/org_chromium_net_UrlRequest.cc
+++ b/components/cronet/android/org_chromium_net_UrlRequest.cc
@@ -14,6 +14,7 @@
 #include "net/base/request_priority.h"
 
 using base::android::ConvertUTF8ToJavaString;
+using base::android::CheckException;
 
 namespace cronet {
 namespace {
@@ -317,4 +318,39 @@ static jstring GetHeader(
   }
 }
 
+static jobjectArray GetAllHeaders(JNIEnv* env,
+                                  jobject object,
+                                  jlong urlRequestPeer) {
+  URLRequestPeer* request = reinterpret_cast<URLRequestPeer*>(urlRequestPeer);
+  net::HttpRequestHeaders headers;
+  if (request == NULL || !request->GetFullRequestHeaders(&headers)) {
+    return NULL;
+  }
+
+  // TODO(miloslav): Better to just expose the size instead.
+  net::HttpRequestHeaders::Iterator counter(headers);
+  int count = 0;
+  while (counter.GetNext()) {
+    ++count;
+  }
+
+  jclass string_class = env->FindClass("java/lang/String");
+  jobjectArray result = env->NewObjectArray(2 * count, string_class, NULL);
+  CheckException(env);
+
+  net::HttpRequestHeaders::Iterator iterator(headers);
+  int index = 0;
+  while (iterator.GetNext()) {
+    DCHECK(index <= 2 * count - 2);
+    ScopedJavaLocalRef<jstring> name =
+        ConvertUTF8ToJavaString(env, iterator.name());
+    env->SetObjectArrayElement(result, index++, name.obj());
+
+    ScopedJavaLocalRef<jstring> value =
+        ConvertUTF8ToJavaString(env, iterator.value());
+    env->SetObjectArrayElement(result, index++, value.obj());
+  }
+  DCHECK(index == 2 * count);
+  return result;
+}
 }  // namespace cronet