[Cronet] Add isDone() check in CronetBidirectionalStream#onWritevCompleted

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

Index: components/cronet/android/java/src/org/chromium/net/impl/CronetBidirectionalStream.java
diff --git a/components/cronet/android/java/src/org/chromium/net/impl/CronetBidirectionalStream.java b/components/cronet/android/java/src/org/chromium/net/impl/CronetBidirectionalStream.java
index de0a2e71826931fef9a7ddbbb1eff6cb1a6fbbbd..de44bdf746b00320c6b19d34d955c8999d7fdd39 100644
--- a/components/cronet/android/java/src/org/chromium/net/impl/CronetBidirectionalStream.java
+++ b/components/cronet/android/java/src/org/chromium/net/impl/CronetBidirectionalStream.java
@@ -414,7 +414,7 @@ public class CronetBidirectionalStream extends ExperimentalBidirectionalStream {
     @Override
     public void cancel() {
         synchronized (mNativeStreamLock) {
-            if (isDoneLocked() || mReadState == State.NOT_STARTED) {
+            if (isDoneLocked()) {
                 return;
             }
             mReadState = mWriteState = State.CANCELED;
@@ -431,7 +431,7 @@ public class CronetBidirectionalStream extends ExperimentalBidirectionalStream {
 
     @GuardedBy("mNativeStreamLock")
     private boolean isDoneLocked() {
-        return mReadState != State.NOT_STARTED && mNativeStream == 0;
+        return mNativeStream == 0;
     }
 
     /*