Reenable idle suspension of media elements on Windows.

media/gpu/dxva_video_decode_accelerator_win.cc

Index: media/gpu/dxva_video_decode_accelerator_win.cc
diff --git a/media/gpu/dxva_video_decode_accelerator_win.cc b/media/gpu/dxva_video_decode_accelerator_win.cc
index e368dd35728060fa7d46dd57dc67eb3a6809b59f..e4d19eb248f4d5fdb813d6a1c56bf55fa54aac69 100644
--- a/media/gpu/dxva_video_decode_accelerator_win.cc
+++ b/media/gpu/dxva_video_decode_accelerator_win.cc
@@ -486,6 +486,7 @@ DXVAVideoDecodeAccelerator::PendingSampleInfo::~PendingSampleInfo() {}
 DXVAVideoDecodeAccelerator::DXVAVideoDecodeAccelerator(
     const GetGLContextCallback& get_gl_context_cb,
     const MakeGLContextCurrentCallback& make_context_current_cb,
+    const BindGLImageCallback& bind_image_cb,
     const gpu::GpuDriverBugWorkarounds& workarounds,
     const gpu::GpuPreferences& gpu_preferences)
     : client_(NULL),
@@ -498,6 +499,7 @@ DXVAVideoDecodeAccelerator::DXVAVideoDecodeAccelerator(
       sent_drain_message_(false),
       get_gl_context_cb_(get_gl_context_cb),
       make_context_current_cb_(make_context_current_cb),
+      bind_image_cb_(bind_image_cb),
       codec_(kUnknownVideoCodec),
       decoder_thread_("DXVAVideoDecoderThread"),
       pending_flush_(false),
@@ -885,6 +887,12 @@ void DXVAVideoDecodeAccelerator::AssignPictureBuffers(
     RETURN_AND_NOTIFY_ON_FAILURE(picture_buffer.get(),
                                  "Failed to allocate picture buffer",
                                  PLATFORM_FAILURE, );
+    if (bind_image_cb_) {
+      for (uint32_t client_id : buffers[buffer_index].client_texture_ids()) {

[sandersd (OOO until July 31), 2016/11/15 01:40:06]

For people like myself that rarely work with BOUND images, this structure is
surprising (it looks like different textures will end up with the same
contents). Probably worth a comment.

+        bind_image_cb_.Run(client_id, GetTextureTarget(),
+                           picture_buffer->gl_image(), true);
+      }
+    }
 
     bool inserted =
         output_picture_buffers_
@@ -1936,7 +1944,7 @@ void DXVAVideoDecodeAccelerator::RequestPictureBuffers(int width, int height) {
         kNumPictureBuffers,
         provide_nv12_textures ? PIXEL_FORMAT_NV12 : PIXEL_FORMAT_UNKNOWN,
         provide_nv12_textures ? 2 : 1, gfx::Size(width, height),
-        provide_nv12_textures ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D);
+        GetTextureTarget());
   }
 }
 
@@ -2749,4 +2757,9 @@ void DXVAVideoDecodeAccelerator::ConfigChanged(const Config& config) {
                  base::Unretained(this)));
 }
 
+uint32_t DXVAVideoDecodeAccelerator::GetTextureTarget() const {
+  bool provide_nv12_textures = share_nv12_textures_ || copy_nv12_textures_;
+  return provide_nv12_textures ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D;
+}
+
 }  // namespace media