Add DCLayerOverlayProcessor and supporting DCLayer structures.

gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
index 74c7a4a6d7522416bd5f4cc9e7af8ebacd7cec3e..def9b0f8a28f5b3d94a59b0ddb16c4ed95ffbe95 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_doers.cc
@@ -3167,6 +3167,26 @@ error::Error GLES2DecoderPassthroughImpl::DoScheduleCALayerInUseQueryCHROMIUM(
   return error::kNoError;
 }
 
+error::Error GLES2DecoderPassthroughImpl::DoScheduleDCLayerSharedStateCHROMIUM(
+    GLfloat opacity,
+    GLboolean is_clipped,
+    const GLfloat* clip_rect,
+    GLint z_order,
+    const GLfloat* transform) {
+  NOTIMPLEMENTED();
+  return error::kNoError;
+}
+
+error::Error GLES2DecoderPassthroughImpl::DoScheduleDCLayerCHROMIUM(
+    GLuint contents_texture_id,
+    const GLfloat* contents_rect,
+    GLuint background_color,
+    GLuint edge_aa_mask,
+    const GLfloat* bounds_rect) {
+  NOTIMPLEMENTED();
+  return error::kNoError;
+}
+
 error::Error GLES2DecoderPassthroughImpl::DoCommitOverlayPlanesCHROMIUM() {
   NOTIMPLEMENTED();
   return error::kNoError;