command_buffer: Support instanced path rendering in gpu command buffer

gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc

Index: gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc
diff --git a/gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc b/gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc
index 024c9ccf4e2236c181880c815ff58cc770715470..c92cb2254079507527b0338be1600913f9aeebb5 100644
--- a/gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc
+++ b/gpu/skia_bindings/gl_bindings_skia_cmd_buffer.cc
@@ -7,6 +7,7 @@
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES
 #endif
+#include "base/logging.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
@@ -166,6 +167,15 @@ GrGLInterface* CreateCommandBufferSkiaGLBinding() {
     functions->fStencilThenCoverFillPath = glStencilThenCoverFillPathCHROMIUM;
     functions->fStencilThenCoverStrokePath =
         glStencilThenCoverStrokePathCHROMIUM;
+    functions->fStencilFillPathInstanced = glStencilFillPathInstancedCHROMIUM;
+    functions->fStencilStrokePathInstanced =
+        glStencilStrokePathInstancedCHROMIUM;
+    functions->fCoverFillPathInstanced = glCoverFillPathInstancedCHROMIUM;
+    functions->fCoverStrokePathInstanced = glCoverStrokePathInstancedCHROMIUM;
+    functions->fStencilThenCoverFillPathInstanced =
+        glStencilThenCoverFillPathInstancedCHROMIUM;
+    functions->fStencilThenCoverStrokePathInstanced =
+        glStencilThenCoverStrokePathInstancedCHROMIUM;
   }
 
   return interface;