Add initial Blink-side support for the Screen Orientation API

Source/modules/screen_orientation/testing/InternalsScreenOrientation.cpp

+// Copyright 2014 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.
+
+#include "config.h"
+#include "InternalsScreenOrientation.h"
+
+#include "core/dom/Document.h"
+#include "modules/screen_orientation/ScreenOrientation.h"
+#include "modules/screen_orientation/ScreenOrientationController.h"
+#include "modules/screen_orientation/testing/ScreenOrientationClientMock.h"
+
+namespace WebCore {
+
+void InternalsScreenOrientation::setScreenOrientationClientMock(Internals* internals, Document* document)
+{
+    ASSERT(internals && document && document->page());
+    ScreenOrientationController* controller = ScreenOrientationController::from(document->page());
+    ScreenOrientationClientMock* client = new ScreenOrientationClientMock();

[Peter Beverloo, 2014/02/12 18:19:37]

What owns this client? Won't we leak it?

[Peter Beverloo, 2014/02/12 18:19:37]

What/who owns this client? Won't we leak it?

[Inactive, 2014/02/12 19:38:37]

You are right, this was leaked. This is now deleted by the
ScreenOrientationController's destructor.

+    controller->setClientForTest(client);
+    client->setController(controller);
+}
+
+void InternalsScreenOrientation::setScreenOrientation(Internals* internals, Document* document, const AtomicString& orientationString)
+{
+    ASSERT(internals && document && document->page());
+    ScreenOrientationClientMock* client = screenOrientationClient(document);
+    if (!client)
+        return;
+
+    ScreenOrientationValue orientation = static_cast<ScreenOrientationValue>(ScreenOrientation::stringToOrientationValues(orientationString));
+    if (orientation == OrientationInvalid)
+        return;
+    client->setScreenOrientation(orientation);
+}
+
+ScreenOrientationClientMock* InternalsScreenOrientation::screenOrientationClient(Document* document)
+{
+    ScreenOrientationController* controller = ScreenOrientationController::from(document->page());
+    if (!controller->hasClientForTest())
+        return 0;
+    return static_cast<ScreenOrientationClientMock*>(controller->client());
+}
+
+} // namespace WebCore