Allow native_viewport to create new native windows on demand on Android.

shell/android/apk/src/org/chromium/mojo/shell/NativeViewportSupportApplicationDelegate.java

Index: shell/android/apk/src/org/chromium/mojo/shell/NativeViewportSupportApplicationDelegate.java
diff --git a/shell/android/apk/src/org/chromium/mojo/shell/NativeViewportSupportApplicationDelegate.java b/shell/android/apk/src/org/chromium/mojo/shell/NativeViewportSupportApplicationDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..e3f12745427a296bb785d6e82b3da6c03c30978e
--- /dev/null
+++ b/shell/android/apk/src/org/chromium/mojo/shell/NativeViewportSupportApplicationDelegate.java
@@ -0,0 +1,75 @@
+// 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.mojo.shell;
+
+import android.content.Context;
+import android.content.Intent;
+
+import org.chromium.base.ApplicationStatus;
+import org.chromium.mojo.application.ApplicationConnection;
+import org.chromium.mojo.application.ApplicationDelegate;
+import org.chromium.mojo.application.ServiceFactoryBinder;
+import org.chromium.mojo.bindings.InterfaceRequest;
+import org.chromium.mojo.system.MojoException;
+import org.chromium.mojom.mojo.Shell;
+import org.chromium.mojom.native_viewport.NativeViewportShellService;
+
+final class NativeViewportSupportApplicationDelegate implements ApplicationDelegate {
+    private class NativeViewportShellServiceFactoryBinder
+            implements ServiceFactoryBinder<NativeViewportShellService> {
+        @Override
+        public void bind(InterfaceRequest<NativeViewportShellService> request) {
+            NativeViewportShellService.MANAGER.bind(new NativeViewportShellServiceImpl(), request);
+        }
+
+        @Override
+        public String getInterfaceName() {
+            return NativeViewportShellService.MANAGER.getName();
+        }
+    }
+
+    private class NativeViewportShellServiceImpl implements NativeViewportShellService {
+        @Override
+        public void close() {}
+
+        @Override
+        public void onConnectionError(MojoException e) {}
+
+        @Override
+        public void createNewNativeWindow() {
+            Context context = ApplicationStatus.getApplicationContext();
+            Intent newDocumentIntent = new Intent(context, ViewportActivity.class);
+            newDocumentIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
+            newDocumentIntent.addFlags(Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
+            newDocumentIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+            context.startActivity(newDocumentIntent);
+        }
+    }
+
+    /**
+     * @see ApplicationDelegate#initialize(Shell, String[], String)
+     */
+    @Override
+    public void initialize(Shell shell, String[] args, String url) {}
+
+    /**
+     * @see ApplicationDelegate#configureIncomingConnection(ApplicationConnection)
+     */
+    @Override
+    public boolean configureIncomingConnection(ApplicationConnection connection) {
+        if (!connection.getRequestorUrl().equals("mojo://native_viewport_service/")) {
+            return false;
+        }
+        connection.addService(new NativeViewportShellServiceFactoryBinder());
+        return true;
+    }
+
+    /**
+     * @see ApplicationDelegate#quit()
+     */
+    @Override
+    public void quit() {}
+}