Adding YUVA support for enabling Alpha Playback

cc/quads/draw_quad_unittest.cc

Index: cc/quads/draw_quad_unittest.cc
diff --git a/cc/quads/draw_quad_unittest.cc b/cc/quads/draw_quad_unittest.cc
index 043a785bb78e261c04f42e84562a7ee4fa68363d..06d27ed5d36d0c8024070a45d17f4a69abee1cab 100644
--- a/cc/quads/draw_quad_unittest.cc
+++ b/cc/quads/draw_quad_unittest.cc
@@ -628,10 +628,15 @@ TEST(DrawQuadTest, CopyYUVVideoDrawQuad) {
   v_plane.resource_id = 4;
   v_plane.size = gfx::Size(456, 486);
   v_plane.format = 46;
+  VideoLayerImpl::FramePlane a_plane;
+  a_plane.resource_id = 400;
+  a_plane.size = gfx::Size(634, 354);
+  a_plane.format = 9;
   CREATE_SHARED_STATE();
 
-  CREATE_QUAD_5_NEW(
-      YUVVideoDrawQuad, opaque_rect, tex_scale, y_plane, u_plane, v_plane);
+  CREATE_QUAD_6_NEW(
+      YUVVideoDrawQuad, opaque_rect, tex_scale,
+      &y_plane, &u_plane, &v_plane, &a_plane);
   EXPECT_EQ(DrawQuad::YUV_VIDEO_CONTENT, copy_quad->material);
   EXPECT_RECT_EQ(opaque_rect, copy_quad->opaque_rect);
   EXPECT_EQ(tex_scale, copy_quad->tex_scale);
@@ -644,8 +649,12 @@ TEST(DrawQuadTest, CopyYUVVideoDrawQuad) {
   EXPECT_EQ(v_plane.resource_id, copy_quad->v_plane.resource_id);
   EXPECT_EQ(v_plane.size, copy_quad->v_plane.size);
   EXPECT_EQ(v_plane.format, copy_quad->v_plane.format);
+  EXPECT_EQ(a_plane.resource_id, copy_quad->a_plane.resource_id);
+  EXPECT_EQ(a_plane.size, copy_quad->a_plane.size);
+  EXPECT_EQ(a_plane.format, copy_quad->a_plane.format);
 
-  CREATE_QUAD_4_ALL(YUVVideoDrawQuad, tex_scale, y_plane, u_plane, v_plane);
+  CREATE_QUAD_5_ALL(YUVVideoDrawQuad, tex_scale,
+                    &y_plane, &u_plane, &v_plane, &a_plane);
   EXPECT_EQ(DrawQuad::YUV_VIDEO_CONTENT, copy_quad->material);
   EXPECT_EQ(tex_scale, copy_quad->tex_scale);
   EXPECT_EQ(y_plane.resource_id, copy_quad->y_plane.resource_id);
@@ -657,6 +666,9 @@ TEST(DrawQuadTest, CopyYUVVideoDrawQuad) {
   EXPECT_EQ(v_plane.resource_id, copy_quad->v_plane.resource_id);
   EXPECT_EQ(v_plane.size, copy_quad->v_plane.size);
   EXPECT_EQ(v_plane.format, copy_quad->v_plane.format);
+  EXPECT_EQ(a_plane.resource_id, copy_quad->a_plane.resource_id);
+  EXPECT_EQ(a_plane.size, copy_quad->a_plane.size);
+  EXPECT_EQ(a_plane.format, copy_quad->a_plane.format);
 }
 
 TEST(DrawQuadTest, CopyPictureDrawQuad) {
@@ -858,18 +870,25 @@ TEST_F(DrawQuadIteratorTest, YUVVideoDrawQuad) {
   v_plane.resource_id = 4;
   v_plane.size = gfx::Size(456, 486);
   v_plane.format = 46;
+  VideoLayerImpl::FramePlane a_plane;
+  a_plane.resource_id = 400;
+  a_plane.size = gfx::Size(634, 354);
+  a_plane.format = 9;
 
   CREATE_SHARED_STATE();
-  CREATE_QUAD_5_NEW(
-      YUVVideoDrawQuad, opaque_rect, tex_scale, y_plane, u_plane, v_plane);
+  CREATE_QUAD_6_NEW(
+      YUVVideoDrawQuad, opaque_rect, tex_scale,
+      &y_plane, &u_plane, &v_plane, &a_plane);
   EXPECT_EQ(DrawQuad::YUV_VIDEO_CONTENT, copy_quad->material);
   EXPECT_EQ(y_plane.resource_id, quad_new->y_plane.resource_id);
   EXPECT_EQ(u_plane.resource_id, quad_new->u_plane.resource_id);
   EXPECT_EQ(v_plane.resource_id, quad_new->v_plane.resource_id);
-  EXPECT_EQ(3, IterateAndCount(quad_new.get()));
+  EXPECT_EQ(a_plane.resource_id, quad_new->a_plane.resource_id);
+  EXPECT_EQ(4, IterateAndCount(quad_new.get()));
   EXPECT_EQ(y_plane.resource_id + 1, quad_new->y_plane.resource_id);
   EXPECT_EQ(u_plane.resource_id + 1, quad_new->u_plane.resource_id);
   EXPECT_EQ(v_plane.resource_id + 1, quad_new->v_plane.resource_id);
+  EXPECT_EQ(a_plane.resource_id + 1, quad_new->a_plane.resource_id);
 }
 
 TEST_F(DrawQuadIteratorTest, PictureDrawQuad) {