change return type of StartNetLogToFile

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

 // 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.
 
 package org.chromium.net.impl;
 
 import android.content.Context;
 import android.os.Build;
 import android.os.ConditionVariable;
 import android.os.Handler;
@@ skipping 242 matching lines @@
             }
             nativeDestroy(mUrlRequestContextAdapter);
             mUrlRequestContextAdapter = 0;
         }
     }
 
     @Override
     public void startNetLogToFile(String fileName, boolean logAll) {
         synchronized (mLock) {
             checkHaveAdapter();
-            nativeStartNetLogToFile(mUrlRequestContextAdapter, fileName, logAll);
+            if (!nativeStartNetLogToFile(mUrlRequestContextAdapter, fileName, logAll)) {
+                throw new RuntimeException("Unable to start NetLog");
+            }
             mIsLogging = true;
         }
     }
 
     @Override
     public void startNetLogToDisk(String dirPath, boolean logAll, int maxSize) {
         synchronized (mLock) {
             checkHaveAdapter();
             nativeStartNetLogToDisk(mUrlRequestContextAdapter, dirPath, logAll, maxSize);
             mIsLogging = true;
@@ skipping 331 matching lines @@
     private static native long nativeCreateRequestContextAdapter(long urlRequestContextConfig);
 
     private static native int nativeSetMinLogLevel(int loggingLevel);
 
     private static native byte[] nativeGetHistogramDeltas();
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeDestroy(long nativePtr);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
-    private native void nativeStartNetLogToFile(long nativePtr, String fileName, boolean logAll);
+    private native boolean nativeStartNetLogToFile(long nativePtr, String fileName, boolean logAll);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeStartNetLogToDisk(
             long nativePtr, String dirPath, boolean logAll, int maxSize);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeStopNetLog(long nativePtr);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeGetCertVerifierData(long nativePtr);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeInitRequestContextOnMainThread(long nativePtr);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeConfigureNetworkQualityEstimatorForTesting(
             long nativePtr, boolean useLocalHostRequests, boolean useSmallerResponses);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeProvideRTTObservations(long nativePtr, boolean should);
 
     @NativeClassQualifiedName("CronetURLRequestContextAdapter")
     private native void nativeProvideThroughputObservations(long nativePtr, boolean should);
 
     public boolean isNetworkThread(Thread thread) {
         return thread == mNetworkThread;
     }
 }