Add ES3 commands GetVertexAttribI{u}iv to GPU command buffer.

BUG=429053
TEST=gpu_unittests
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Review URL: https://codereview.chromium.org/1136713003

Cr-Commit-Position: refs/heads/master@{#329892}
diff --git a/gpu/GLES2/gl2chromium_autogen.h b/gpu/GLES2/gl2chromium_autogen.h
index 01f0e9a..9dbe95d 100644
--- a/gpu/GLES2/gl2chromium_autogen.h
+++ b/gpu/GLES2/gl2chromium_autogen.h
@@ -129,6 +129,8 @@
 #define glGetUniformLocation GLES2_GET_FUN(GetUniformLocation)
 #define glGetVertexAttribfv GLES2_GET_FUN(GetVertexAttribfv)
 #define glGetVertexAttribiv GLES2_GET_FUN(GetVertexAttribiv)
+#define glGetVertexAttribIiv GLES2_GET_FUN(GetVertexAttribIiv)
+#define glGetVertexAttribIuiv GLES2_GET_FUN(GetVertexAttribIuiv)
 #define glGetVertexAttribPointerv GLES2_GET_FUN(GetVertexAttribPointerv)
 #define glHint GLES2_GET_FUN(Hint)
 #define glInvalidateFramebuffer GLES2_GET_FUN(InvalidateFramebuffer)