Reland2: H264 HW encode using MediaFoundation

media/gpu/BUILD.gn

Index: media/gpu/BUILD.gn
diff --git a/media/gpu/BUILD.gn b/media/gpu/BUILD.gn
index 57ec14a6dcf6cf56e0c3b1bc8041b51389ffb2c6..e8c264454dae52a164c9a23e1401fbb268aea355 100644
--- a/media/gpu/BUILD.gn
+++ b/media/gpu/BUILD.gn
@@ -337,6 +337,8 @@ component("gpu") {
       "dxva_picture_buffer_win.h",
       "dxva_video_decode_accelerator_win.cc",
       "dxva_video_decode_accelerator_win.h",
+      "media_foundation_video_encode_accelerator_win.cc",
+      "media_foundation_video_encode_accelerator_win.h",
     ]
     configs += [
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
@@ -344,7 +346,10 @@ component("gpu") {
       "//third_party/khronos:khronos_headers",
     ]
     public_deps += [ "//media/base/win" ]
-    deps += [ "//third_party/angle:includes" ]
+    deps += [
+      "//third_party/angle:includes",
+      "//third_party/libyuv",
+    ]
     libs += [
       "d3d9.lib",
       "d3d11.lib",
@@ -434,7 +439,7 @@ if (is_win || is_android || is_chromeos) {
   }
 }
 
-if (is_chromeos || is_mac) {
+if (is_chromeos || is_mac || is_win) {
   test("video_encode_accelerator_unittest") {
     deps = [
       "//base",