[Cronet] Make delaying sending request headers explicit in bidirectional stream

components/cronet/android/java/src/org/chromium/net/CronetBidirectionalStream.java

Index: components/cronet/android/java/src/org/chromium/net/CronetBidirectionalStream.java
diff --git a/components/cronet/android/java/src/org/chromium/net/CronetBidirectionalStream.java b/components/cronet/android/java/src/org/chromium/net/CronetBidirectionalStream.java
index 188e1766ff57082a5a8052d4e229cf31ecd957dc..59340bc2dbfa4f1be285065bb6a4e8b8c734489e 100644
--- a/components/cronet/android/java/src/org/chromium/net/CronetBidirectionalStream.java
+++ b/components/cronet/android/java/src/org/chromium/net/CronetBidirectionalStream.java
@@ -71,6 +71,7 @@ class CronetBidirectionalStream extends BidirectionalStream {
     private final String mInitialMethod;
     private final String mRequestHeaders[];
     private final boolean mDisableAutoFlush;
+    private final boolean mDelayHeadersUntilNextWrite;
 
     /*
      * Synchronizes access to mNativeStream, mReadState and mWriteState.
@@ -202,7 +203,7 @@ class CronetBidirectionalStream extends BidirectionalStream {
     CronetBidirectionalStream(CronetUrlRequestContext requestContext, String url,
             @BidirectionalStream.Builder.StreamPriority int priority, Callback callback,
             Executor executor, String httpMethod, List<Map.Entry<String, String>> requestHeaders,
-            boolean disableAutoFlush) {
+            boolean disableAutoFlush, boolean delayHeadersUntilNextWrite) {
         mRequestContext = requestContext;
         mInitialUrl = url;
         mInitialPriority = convertStreamPriority(priority);
@@ -211,6 +212,7 @@ class CronetBidirectionalStream extends BidirectionalStream {
         mInitialMethod = httpMethod;
         mRequestHeaders = stringsFromHeaderList(requestHeaders);
         mDisableAutoFlush = disableAutoFlush;
+        mDelayHeadersUntilNextWrite = delayHeadersUntilNextWrite;
         mPendingData = new LinkedList<>();
         mFlushData = new LinkedList<>();
     }
@@ -223,7 +225,7 @@ class CronetBidirectionalStream extends BidirectionalStream {
             }
             try {
                 mNativeStream = nativeCreateBidirectionalStream(
-                        mRequestContext.getUrlRequestContextAdapter(), mDisableAutoFlush);

[mef, 2016/05/23 14:57:26]

Is mDisableAutoFlush not used now?

+                        mRequestContext.getUrlRequestContextAdapter(), mDelayHeadersUntilNextWrite);
                 mRequestContext.onRequestStarted();
                 // Non-zero startResult means an argument error.
                 int startResult = nativeStart(mNativeStream, mInitialUrl, mInitialPriority,
@@ -688,7 +690,7 @@ class CronetBidirectionalStream extends BidirectionalStream {
 
     // Native methods are implemented in cronet_bidirectional_stream_adapter.cc.
     private native long nativeCreateBidirectionalStream(
-            long urlRequestContextAdapter, boolean disableAutoFlush);
+            long urlRequestContextAdapter, boolean delayHeadersUntilNextWrite);
 
     @NativeClassQualifiedName("CronetBidirectionalStreamAdapter")
     private native int nativeStart(long nativePtr, String url, int priority, String method,