Added GLES3 Capabilities to the Command Buffer

gpu/command_buffer/client/client_context_state_impl_autogen.h

Index: gpu/command_buffer/client/client_context_state_impl_autogen.h
diff --git a/gpu/command_buffer/client/client_context_state_impl_autogen.h b/gpu/command_buffer/client/client_context_state_impl_autogen.h
index cff14f7a82c60ca86e333338415c9dbcf3e98b94..d0ce722624332d05f79addfeedb175badea0fa73 100644
--- a/gpu/command_buffer/client/client_context_state_impl_autogen.h
+++ b/gpu/command_buffer/client/client_context_state_impl_autogen.h
@@ -21,7 +21,8 @@ ClientContextState::EnableFlags::EnableFlags()
       sample_alpha_to_coverage(false),
       sample_coverage(false),
       scissor_test(false),
-      stencil_test(false) {
+      stencil_test(false),
+      rasterizer_discard(false) {
 }
 
 bool ClientContextState::SetCapabilityState(GLenum cap,
@@ -83,6 +84,12 @@ bool ClientContextState::SetCapabilityState(GLenum cap,
         enable_flags.stencil_test = enabled;
       }
       return true;
+    case GL_RASTERIZER_DISCARD:
+      if (enable_flags.rasterizer_discard != enabled) {
+        *changed = true;
+        enable_flags.rasterizer_discard = enabled;
+      }
+      return true;
     default:
       return false;
   }
@@ -116,6 +123,9 @@ bool ClientContextState::GetEnabled(GLenum cap, bool* enabled) const {
     case GL_STENCIL_TEST:
       *enabled = enable_flags.stencil_test;
       return true;
+    case GL_RASTERIZER_DISCARD:
+      *enabled = enable_flags.rasterizer_discard;
+      return true;
     default:
       return false;
   }