Pull in various gpu/command_buffer fixes from chromium

gpu/command_buffer/service/gles2_cmd_validation_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_validation_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_validation_autogen.h b/gpu/command_buffer/service/gles2_cmd_validation_autogen.h
index 2a8684addc5ff8200645926e04da051c0d3dd480..3099f29f27141df68c7517aefa2f6683e59b050e 100644
--- a/gpu/command_buffer/service/gles2_cmd_validation_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_validation_autogen.h
@@ -41,6 +41,7 @@ ValueValidator<GLenum> image_internal_format;
 ValueValidator<GLenum> image_usage;
 ValueValidator<GLenum> index_type;
 ValueValidator<GLenum> indexed_buffer_target;
+ValueValidator<GLenum> indexed_g_l_state;
 ValueValidator<GLenum> map_buffer_access;
 ValueValidator<GLenum> matrix_mode;
 ValueValidator<GLenum> pixel_store;
@@ -84,6 +85,7 @@ ValueValidator<GLenum> transform_feedback_primitive_mode;
 ValueValidator<GLenum> uniform_block_parameter;
 ValueValidator<GLenum> uniform_parameter;
 ValueValidator<GLenum> value_buffer_target;
+ValueValidator<GLenum> vertex_attrib_i_type;
 ValueValidator<GLint> vertex_attrib_size;
 ValueValidator<GLenum> vertex_attrib_type;
 ValueValidator<GLenum> vertex_attribute;