Make it possible to load a new Url in hosted mode

chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedContentHandler.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedContentHandler.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedContentHandler.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedContentHandler.java
new file mode 100644
index 0000000000000000000000000000000000000000..a2b6685e7fdacb941a1c62a7c9a06e722c3cf05a
--- /dev/null
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/hosted/HostedContentHandler.java
@@ -0,0 +1,24 @@
+// Copyright 2015 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.chrome.browser.hosted;
+
+import org.chromium.content_public.browser.LoadUrlParams;
+
+/**
+ * Interface to handle hosted mode calls whenever the session id matched.
+ * TODO(yusufo): Add a way to handle mayLaunchUrl as well.

[Benoit L, 2015/05/22 08:48:57]

Why would we need to handle mayLaunchUrl here?

+ */
+public interface HostedContentHandler {
+    /**
+     * Load a new url inside the {@link HostedContentHandler}.
+     * @param params The params to use while loading the url.
+     */
+    void loadUrl(LoadUrlParams params);
+
+    /**
+     * @return The session id this {@link HostedContentHandler} is associated with.
+     */
+    long getSessionId();
+}