Support CHROMIUM_path_rendering

This is partial support for CHROMIUM_path_rendering
and implements basic path management and non-instanced
rendering.

BUG=angleproject:1382

Change-Id: I9c0e88183e0a915d522889323933439d25b45b5f
Reviewed-on: https://chromium-review.googlesource.com/348630
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
diff --git a/src/libANGLE/renderer/ContextImpl.cpp b/src/libANGLE/renderer/ContextImpl.cpp
index e02b5a7..c08ab5a 100644
--- a/src/libANGLE/renderer/ContextImpl.cpp
+++ b/src/libANGLE/renderer/ContextImpl.cpp
@@ -20,4 +20,40 @@
 {
 }
 
+void ContextImpl::stencilFillPath(const gl::Path *path, GLenum fillMode, GLuint mask)
+{
+    UNREACHABLE();
+}
+
+void ContextImpl::stencilStrokePath(const gl::Path *path, GLint reference, GLuint mask)
+{
+    UNREACHABLE();
+}
+
+void ContextImpl::coverFillPath(const gl::Path *path, GLenum coverMode)
+{
+    UNREACHABLE();
+}
+
+void ContextImpl::coverStrokePath(const gl::Path *path, GLenum coverMode)
+{
+    UNREACHABLE();
+}
+
+void ContextImpl::stencilThenCoverFillPath(const gl::Path *path,
+                                           GLenum fillMode,
+                                           GLuint mask,
+                                           GLenum coverMode)
+{
+    UNREACHABLE();
+}
+
+void ContextImpl::stencilThenCoverStrokePath(const gl::Path *path,
+                                             GLint reference,
+                                             GLuint mask,
+                                             GLenum coverMode)
+{
+    UNREACHABLE();
+}
+
 }  // namespace rx