Allow switching DirectCompositionSurfaceWin between drawing modes.

gpu/command_buffer/client/gles2_c_lib_autogen.h

Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index d8b3a2e517c5c8a9749338826e3689cf202ccdc1..5940339377b24f9fc5546692e14a1cee6bed8d94 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -1745,6 +1745,9 @@ void GL_APIENTRY GLES2SetDrawRectangleCHROMIUM(GLint x,
                                                GLint height) {
   gles2::GetGLContext()->SetDrawRectangleCHROMIUM(x, y, width, height);
 }
+void GL_APIENTRY GLES2SetEnableDCLayersCHROMIUM(GLboolean enabled) {
+  gles2::GetGLContext()->SetEnableDCLayersCHROMIUM(enabled);
+}
 
 namespace gles2 {
 
@@ -3061,6 +3064,10 @@ extern const NameToFunc g_gles2_function_table[] = {
         reinterpret_cast<GLES2FunctionPointer>(glSetDrawRectangleCHROMIUM),
     },
     {
+        "glSetEnableDCLayersCHROMIUM",
+        reinterpret_cast<GLES2FunctionPointer>(glSetEnableDCLayersCHROMIUM),
+    },
+    {
         NULL, NULL,
     },
 };