added support for PLS path rendering

src/gpu/gl/GrGLDefines.h

Index: src/gpu/gl/GrGLDefines.h
diff --git a/src/gpu/gl/GrGLDefines.h b/src/gpu/gl/GrGLDefines.h
index 318fcd4d536bd7b9930eed8b54cf04cd2cb1857c..a759413c5a43d4d7e03f6fd176cb324c31bceb6a 100644
--- a/src/gpu/gl/GrGLDefines.h
+++ b/src/gpu/gl/GrGLDefines.h
@@ -161,6 +161,7 @@
 #define GR_GL_VERTEX_PROGRAM_POINT_SIZE      0x8642
 #define GR_GL_LINE_STIPPLE                   0x0B24
 #define GR_GL_FRAMEBUFFER_SRGB               0x8DB9
+#define GR_GL_SHADER_PIXEL_LOCAL_STORAGE     0x8F64
 
 /* ErrorCode */
 #define GR_GL_NO_ERROR                       0
@@ -421,29 +422,30 @@
 #define GR_GL_UNSIGNED_SHORT_5_6_5           0x8363
 
 /* Shaders */
-#define GR_GL_FRAGMENT_SHADER                  0x8B30
-#define GR_GL_VERTEX_SHADER                    0x8B31
-#define GR_GL_GEOMETRY_SHADER                  0x8DD9
-#define GR_GL_MAX_VERTEX_ATTRIBS               0x8869
-#define GR_GL_MAX_VERTEX_UNIFORM_VECTORS       0x8DFB
-#define GR_GL_MAX_VARYING_VECTORS              0x8DFC
-#define GR_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D
-#define GR_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS   0x8B4C
-#define GR_GL_MAX_TEXTURE_IMAGE_UNITS          0x8872
-#define GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS     0x8DFD
-#define GR_GL_SHADER_TYPE                      0x8B4F
-#define GR_GL_DELETE_STATUS                    0x8B80
-#define GR_GL_LINK_STATUS                      0x8B82
-#define GR_GL_VALIDATE_STATUS                  0x8B83
-#define GR_GL_ATTACHED_SHADERS                 0x8B85
-#define GR_GL_ACTIVE_UNIFORMS                  0x8B86
-#define GR_GL_ACTIVE_UNIFORM_MAX_LENGTH        0x8B87
-#define GR_GL_ACTIVE_ATTRIBUTES                0x8B89
-#define GR_GL_ACTIVE_ATTRIBUTE_MAX_LENGTH      0x8B8A
-#define GR_GL_SHADING_LANGUAGE_VERSION         0x8B8C
-#define GR_GL_CURRENT_PROGRAM                  0x8B8D
-#define GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS  0x8B49
-#define GR_GL_MAX_VERTEX_UNIFORM_COMPONENTS    0x8B4A
+#define GR_GL_FRAGMENT_SHADER                          0x8B30
+#define GR_GL_VERTEX_SHADER                            0x8B31
+#define GR_GL_GEOMETRY_SHADER                          0x8DD9
+#define GR_GL_MAX_VERTEX_ATTRIBS                       0x8869
+#define GR_GL_MAX_VERTEX_UNIFORM_VECTORS               0x8DFB
+#define GR_GL_MAX_VARYING_VECTORS                      0x8DFC
+#define GR_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS         0x8B4D
+#define GR_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS           0x8B4C
+#define GR_GL_MAX_TEXTURE_IMAGE_UNITS                  0x8872
+#define GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS             0x8DFD
+#define GR_GL_SHADER_TYPE                              0x8B4F
+#define GR_GL_DELETE_STATUS                            0x8B80
+#define GR_GL_LINK_STATUS                              0x8B82
+#define GR_GL_VALIDATE_STATUS                          0x8B83
+#define GR_GL_ATTACHED_SHADERS                         0x8B85
+#define GR_GL_ACTIVE_UNIFORMS                          0x8B86
+#define GR_GL_ACTIVE_UNIFORM_MAX_LENGTH                0x8B87
+#define GR_GL_ACTIVE_ATTRIBUTES                        0x8B89
+#define GR_GL_ACTIVE_ATTRIBUTE_MAX_LENGTH              0x8B8A
+#define GR_GL_SHADING_LANGUAGE_VERSION                 0x8B8C
+#define GR_GL_CURRENT_PROGRAM                          0x8B8D
+#define GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS          0x8B49
+#define GR_GL_MAX_VERTEX_UNIFORM_COMPONENTS            0x8B4A
+#define GR_GL_MAX_SHADER_PIXEL_LOCAL_STORAGE_FAST_SIZE 0x8F63
 
 /* StencilFunction */
 #define GR_GL_NEVER                          0x0200