GLES1: Fog API and rendering

- Update test expectations

BUG=angleproject:2306

Change-Id: Ic5aa5f052bcbe9c5adaf0eb0c6c06df66fd1720c
Reviewed-on: https://chromium-review.googlesource.com/1082978
Commit-Queue: Lingfeng Yang <lfy@google.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
diff --git a/src/libANGLE/Context.cpp b/src/libANGLE/Context.cpp
index 27ba206..10f85c5 100644
--- a/src/libANGLE/Context.cpp
+++ b/src/libANGLE/Context.cpp
@@ -7091,12 +7091,17 @@
                 *numParams = 1;
                 return true;
             case GL_ALPHA_TEST_REF:
+            case GL_FOG_DENSITY:
+            case GL_FOG_START:
+            case GL_FOG_END:
+            case GL_FOG_MODE:
                 *type      = GL_FLOAT;
                 *numParams = 1;
                 return true;
             case GL_CURRENT_COLOR:
             case GL_CURRENT_TEXTURE_COORDS:
             case GL_LIGHT_MODEL_AMBIENT:
+            case GL_FOG_COLOR:
                 *type      = GL_FLOAT;
                 *numParams = 4;
                 return true;