[Cronet] Test the libcronet that's shipped, not libcronet_test

components/cronet/android/test/src/org/chromium/net/SdchObserver.java

Index: components/cronet/android/test/src/org/chromium/net/SdchObserver.java
diff --git a/components/cronet/android/test/src/org/chromium/net/SdchObserver.java b/components/cronet/android/test/src/org/chromium/net/SdchObserver.java
index 8e8fe127baab8542b42cf87bff6798284d80d1b4..7a187088a5feadefc7d87e2512b1996016bf5e4f 100644
--- a/components/cronet/android/test/src/org/chromium/net/SdchObserver.java
+++ b/components/cronet/android/test/src/org/chromium/net/SdchObserver.java
@@ -8,6 +8,7 @@ import android.os.ConditionVariable;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
+import org.chromium.net.impl.CronetUrlRequestContext;
 
 /**
  * Class to watch for Sdch dictionary events. The native implementation
@@ -25,8 +26,14 @@ public class SdchObserver {
      * @param targetUrl the target url on which sdch encoding will be used.
      * @param contextAdapter the native context adapter to register the observer.
      */
-    public SdchObserver(String targetUrl, long contextAdapter) {
-        nativeAddSdchObserver(targetUrl, contextAdapter);
+    public SdchObserver(final String targetUrl, final CronetUrlRequestContext engine) {
+        CronetTestUtil.postToNetworkThread(engine, new Runnable() {
+            @Override
+            public void run() {
+                nativeAddSdchObserverOnNetworkThread(
+                        targetUrl, engine.getUrlRequestContextForTesting());
+            }
+        });
         mAddBlock.block();
         mAddBlock.close();
     }
@@ -51,5 +58,5 @@ public class SdchObserver {
         mAddBlock.open();
     }
 
-    private native void nativeAddSdchObserver(String targetUrl, long contextAdapter);
+    private native void nativeAddSdchObserverOnNetworkThread(String targetUrl, long context);
 }