Implement ScreenOrientationProvider for Chrome Android.

content/browser/screen_orientation/screen_orientation_provider_android.h

+// 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.
+
+#ifndef CONTENT_BROWSER_SCREEN_ORIENTATION_PROVIDER_ANDROID_H_
+#define CONTENT_BROWSER_SCREEN_ORIENTATION_PROVIDER_ANDROID_H_
+
+#include "base/android/jni_android.h"
+#include "base/compiler_specific.h"
+#include "content/browser/screen_orientation/screen_orientation_provider.h"
+
+namespace content {
+
+// ScreenOrientationProvider for Android.
+class ScreenOrientationProviderAndroid : public ScreenOrientationProvider {
+ public:
+  static bool Register(JNIEnv* env);
+
+  // ScreenOrientationProvider
+  virtual void LockOrientation(blink::WebScreenOrientations) OVERRIDE;
+  virtual void UnlockOrientation() OVERRIDE;
+
+ private:
+  virtual ~ScreenOrientationProviderAndroid() {}

[jochen (gone - plz use gerrit), 2014/03/12 12:42:27]

don't put non-trivial dtors in the header (it's non trivial because it has to
destruct the global java ref)

[mlamouri (slow - plz ping), 2014/03/12 14:16:36]

Done.

+
+  base::android::ScopedJavaGlobalRef<jobject> j_screen_orientation_provider_;
+};

[jochen (gone - plz use gerrit), 2014/03/12 12:42:27]

disallow copy/assign

[mlamouri (slow - plz ping), 2014/03/12 14:16:36]

Done.

+
+} // namespace content
+
+#endif // CONTENT_BROWSER_SCREEN_ORIENTATION_PROVIDER_ANDROID_H_