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/common/mathutil.cpp b/src/common/mathutil.cpp
index 927b6eb..acbcbdf 100644
--- a/src/common/mathutil.cpp
+++ b/src/common/mathutil.cpp
@@ -64,4 +64,4 @@
     *blue = inputData->B * pow(2.0f, (int)inputData->E - g_sharedexp_bias - g_sharedexp_mantissabits);
 }
 
-}
+}  // namespace gl