Fix content_browsertests on Android.

base/android/java/src/org/chromium/base/SystemMessageHandler.java

Index: base/android/java/src/org/chromium/base/SystemMessageHandler.java
diff --git a/base/android/java/src/org/chromium/base/SystemMessageHandler.java b/base/android/java/src/org/chromium/base/SystemMessageHandler.java
index fc25ff8457ec144ec6a596bcb4a3b1d400d34709..5040c0ff650768b19de9ed7924e3f1992f243c73 100644
--- a/base/android/java/src/org/chromium/base/SystemMessageHandler.java
+++ b/base/android/java/src/org/chromium/base/SystemMessageHandler.java
@@ -17,14 +17,16 @@ class SystemMessageHandler extends Handler {
 
     // Native class pointer set by the constructor of the SharedClient native class.
     private int mMessagePumpDelegateNative = 0;
+    private int mMessageLoopNative = 0;
 
-    private SystemMessageHandler(int messagePumpDelegateNative) {
+    private SystemMessageHandler(int messagePumpDelegateNative, int messageLoopNative) {
         mMessagePumpDelegateNative = messagePumpDelegateNative;
+        mMessageLoopNative = messageLoopNative;
     }
 
     @Override
     public void handleMessage(Message msg) {
-        nativeDoRunLoopOnce(mMessagePumpDelegateNative);
+        nativeDoRunLoopOnce(mMessagePumpDelegateNative, mMessageLoopNative);
     }
 
     @SuppressWarnings("unused")
@@ -47,9 +49,10 @@ class SystemMessageHandler extends Handler {
     }
 
     @CalledByNative
-    private static SystemMessageHandler create(int messagePumpDelegateNative) {
-        return new SystemMessageHandler(messagePumpDelegateNative);
+    private static SystemMessageHandler create(int messagePumpDelegateNative,
+                                               int messageLoopNative) {
+        return new SystemMessageHandler(messagePumpDelegateNative, messageLoopNative);
     }
 
-    private native void nativeDoRunLoopOnce(int messagePumpDelegateNative);
+    private native void nativeDoRunLoopOnce(int messagePumpDelegateNative, int messageLoopNative);
 }