[Android Webview] Refactor LoadUrlTest and work on embedded_test_server custom handler

net/test/android/javatests/src/org/chromium/net/test/EmbeddedTestServer.java

Index: net/test/android/javatests/src/org/chromium/net/test/EmbeddedTestServer.java
diff --git a/net/test/android/javatests/src/org/chromium/net/test/EmbeddedTestServer.java b/net/test/android/javatests/src/org/chromium/net/test/EmbeddedTestServer.java
index 5c781e533a3a2198d3fd2c1b469d9868045b99fa..16714ba8ac1abb5964d2db0088261d79c0b50f23 100644
--- a/net/test/android/javatests/src/org/chromium/net/test/EmbeddedTestServer.java
+++ b/net/test/android/javatests/src/org/chromium/net/test/EmbeddedTestServer.java
@@ -141,6 +141,33 @@ public class EmbeddedTestServer {
         }
     }
 
+    public long[] getCustomHandlers() {
+        try {
+            synchronized (mImplMonitor) {
+                checkServiceLocked();
+                return mImpl.getCustomHandlers();
+            }
+        } catch (RemoteException e) {
+            throw new EmbeddedTestServerFailure("Failed to get custom handlers.", e);
+        }
+    }
+
+    /** Register multiple request handlers.
+     *  Handlers must be registered before starting the server.
+     *
+     *  @param handlers The pointers of handlers to be registered.
+     */
+    public void registerRequestHandlers(final long[] handlers) {
+        try {
+            synchronized (mImplMonitor) {
+                checkServiceLocked();
+                mImpl.registerRequestHandlers(handlers);
+            }
+        } catch (RemoteException e) {
+            throw new EmbeddedTestServerFailure("Failed to add request handlers: " + e.toString());
+        }
+    }
+
     /** Serve files from the provided directory.
      *
      *  @param directory The directory from which files should be served.