Add GL_PROGRAM_COMPLETION_QUERY_CHROMIUM

This makes the query of GL_COMPLETION_STATUS_KHR to programs much
cheaper by minimizing the round-trip to the GPU thread.

Bug: 881152, 957001
Change-Id: Iadfa798af29225e752c710ca5c25f50b3dd3101a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1586630
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#657568}
void WebGLRenderingContextBase::bindAttribLocation(WebGLProgram* program,
                                                   GLuint index,
                                                   const String& name) {
  if (!ValidateWebGLObject("bindAttribLocation", program))
    return;
  if (!ValidateLocationLength("bindAttribLocation", name))
    return;
  if (IsPrefixReserved(name)) {
    SynthesizeGLError(GL_INVALID_OPERATION, "bindAttribLocation",
                      "reserved prefix");
    return;
  }
  ContextGL()->BindAttribLocation(ObjectOrZero(program), index,
                                  name.Utf8().data());
}

void WebGLRenderingContextBase::bindAttribLocation(WebGLProgram* program,
                                                   GLuint index,
                                                   const String& name) {
  if (!ValidateWebGLObject("bindAttribLocation", program))
    return;
  if (!ValidateLocationLength("bindAttribLocation", name))
    return;
  if (IsPrefixReserved(name)) {
    SynthesizeGLError(GL_INVALID_OPERATION, "bindAttribLocation",
                      "reserved prefix");
    return;
  }
  ContextGL()->BindAttribLocation(ObjectOrZero(program), index,
                                  name.Utf8().data());
}
