Revert of Delete video_render module.

webrtc/modules/video_render/ios/video_render_ios_impl.h

Index: webrtc/modules/video_render/ios/video_render_ios_impl.h
diff --git a/webrtc/modules/video_render/ios/video_render_ios_impl.h b/webrtc/modules/video_render/ios/video_render_ios_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..04a74933008775d9faad4be6ca071367ff42e726
--- /dev/null
+++ b/webrtc/modules/video_render/ios/video_render_ios_impl.h
@@ -0,0 +1,105 @@
+/*
+ *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_MODULES_VIDEO_RENDER_IOS_VIDEO_RENDER_IOS_IMPL_H_
+#define WEBRTC_MODULES_VIDEO_RENDER_IOS_VIDEO_RENDER_IOS_IMPL_H_
+
+#include <list>
+#include <map>
+#include <memory>
+
+#include "webrtc/modules/video_render/i_video_render.h"
+
+namespace webrtc {
+
+class VideoRenderIosGles20;
+class CriticalSectionWrapper;
+
+class VideoRenderIosImpl : IVideoRender {
+ public:
+  explicit VideoRenderIosImpl(const int32_t id,
+                              void* window,
+                              const bool full_screen);
+
+  ~VideoRenderIosImpl();
+
+  // Implementation of IVideoRender.
+  int32_t Init() override;
+  int32_t ChangeWindow(void* window) override;
+
+  VideoRenderCallback* AddIncomingRenderStream(const uint32_t stream_id,
+                                               const uint32_t z_order,
+                                               const float left,
+                                               const float top,
+                                               const float right,
+                                               const float bottom) override;
+
+  int32_t DeleteIncomingRenderStream(const uint32_t stream_id) override;
+
+  int32_t GetIncomingRenderStreamProperties(const uint32_t stream_id,
+                                            uint32_t& z_order,
+                                            float& left,
+                                            float& top,
+                                            float& right,
+                                            float& bottom) const override;
+
+  int32_t StartRender() override;
+  int32_t StopRender() override;
+
+  VideoRenderType RenderType() override;
+  RawVideoType PerferedVideoType() override;
+  bool FullScreen() override;
+  int32_t GetGraphicsMemory(
+      uint64_t& total_graphics_memory,
+      uint64_t& available_graphics_memory) const override;  // NOLINT
+  int32_t GetScreenResolution(
+      uint32_t& screen_width,
+      uint32_t& screen_height) const override;  // NOLINT
+  uint32_t RenderFrameRate(const uint32_t stream_id);
+  int32_t SetStreamCropping(const uint32_t stream_id,
+                            const float left,
+                            const float top,
+                            const float right,
+                            const float bottom) override;
+  int32_t ConfigureRenderer(const uint32_t stream_id,
+                            const unsigned int z_order,
+                            const float left,
+                            const float top,
+                            const float right,
+                            const float bottom) override;
+  int32_t SetTransparentBackground(const bool enable) override;
+  int32_t SetText(const uint8_t text_id,
+                  const uint8_t* text,
+                  const int32_t text_length,
+                  const uint32_t text_color_ref,
+                  const uint32_t background_color_ref,
+                  const float left,
+                  const float top,
+                  const float right,
+                  const float bottom) override;
+  int32_t SetBitmap(const void* bit_map,
+                    const uint8_t picture_id,
+                    const void* color_key,
+                    const float left,
+                    const float top,
+                    const float right,
+                    const float bottom);
+  int32_t FullScreenRender(void* window, const bool enable);
+
+ private:
+  int32_t id_;
+  void* ptr_window_;
+  bool full_screen_;
+
+  CriticalSectionWrapper* crit_sec_;
+  std::unique_ptr<VideoRenderIosGles20> ptr_ios_render_;
+};
+}  // namespace webrtc
+#endif  // WEBRTC_MODULES_VIDEO_RENDER_IOS_VIDEO_RENDER_IOS_IMPL_H_