Add AndroidVideoSurfaceChooser to manage overlays.

media/base/android/mock_android_overlay.cc

Index: media/base/android/mock_android_overlay.cc
diff --git a/media/base/android/mock_android_overlay.cc b/media/base/android/mock_android_overlay.cc
new file mode 100644
index 0000000000000000000000000000000000000000..60a2a0224a58ec69794578b248e5d2c81d80fcba
--- /dev/null
+++ b/media/base/android/mock_android_overlay.cc
@@ -0,0 +1,91 @@
+// Copyright 2017 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 "media/base/android/mock_android_overlay.h"
+
+#include "base/bind.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+MockAndroidOverlay::Callbacks::Callbacks() = default;
+MockAndroidOverlay::Callbacks::Callbacks(const Callbacks&) = default;
+MockAndroidOverlay::Callbacks::~Callbacks() = default;
+
+MockAndroidOverlay::MockAndroidOverlay() : weak_factory_(this) {}
+
+MockAndroidOverlay::~MockAndroidOverlay() {
+  if (!destruction_cb_.is_null())
+    destruction_cb_.Run();
+}
+
+void MockAndroidOverlay::SetConfig(const Config& config) {
+  config_ = config;
+}
+
+MockAndroidOverlay::Callbacks MockAndroidOverlay::GetCallbacks() {
+  Callbacks c;
+  c.OverlayReady =
+      base::Bind(&MockAndroidOverlay::CallbackTrampoline,
+                 &MockAndroidOverlay::OnOverlayReady, GetWeakPtr());
+  c.OverlayFailed =
+      base::Bind(&MockAndroidOverlay::CallbackTrampoline,
+                 &MockAndroidOverlay::OnOverlayFailed, GetWeakPtr());
+  c.SurfaceDestroyed =
+      base::Bind(&MockAndroidOverlay::CallbackTrampoline,
+                 &MockAndroidOverlay::OnSurfaceDestroyed, GetWeakPtr());
+
+  return c;
+}
+
+void MockAndroidOverlay::SetDestructionCallback(
+    const base::Closure& destruction_cb) {
+  destruction_cb_ = destruction_cb;
+}
+
+bool MockAndroidOverlay::CallbackTrampoline(
+    void (MockAndroidOverlay::*cb)(),
+    base::WeakPtr<MockAndroidOverlay> wp) {
+  MockAndroidOverlay* overlay = wp.get();
+  if (!overlay)
+    return false;
+
+  (overlay->*cb)();
+
+  return true;
+}
+
+void MockAndroidOverlay::OnOverlayReady() {
+  config_.ready_cb.Run(this);
+}
+
+void MockAndroidOverlay::OnOverlayFailed() {
+  config_.failed_cb.Run(this);
+}
+
+void MockAndroidOverlay::OnSurfaceDestroyed() {
+  config_.destroyed_cb.Run(this);
+}
+
+base::WeakPtr<MockAndroidOverlay> MockAndroidOverlay::GetWeakPtr() {
+  return weak_factory_.GetWeakPtr();
+}
+
+MockAndroidOverlay::DestructionObserver::DestructionObserver(
+    MockAndroidOverlay* overlay)
+    : weak_factory_(this) {
+  overlay->SetDestructionCallback(
+      base::Bind(&MockAndroidOverlay::DestructionObserver::OnOverlayDestroyed,
+                 weak_factory_.GetWeakPtr()));
+}
+
+MockAndroidOverlay::DestructionObserver::~DestructionObserver() {}
+
+std::unique_ptr<MockAndroidOverlay::DestructionObserver>
+MockAndroidOverlay::CreateDestructionObserver() {
+  return std::unique_ptr<MockAndroidOverlay::DestructionObserver>(
+      new DestructionObserver(this));
+}
+
+}  // namespace media