Remove unused in-process pepper APIs

ppapi/thunk/ppb_zoom_dev_thunk.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// From dev/ppb_zoom_dev.idl modified Tue May  7 14:43:00 2013.
-
-#include "ppapi/c/dev/ppb_zoom_dev.h"
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/shared_impl/tracked_callback.h"
-#include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppapi_thunk_export.h"
-
-namespace ppapi {
-namespace thunk {
-
-namespace {
-
-void ZoomChanged(PP_Instance instance, double factor) {
-  VLOG(4) << "PPB_Zoom_Dev::ZoomChanged()";
-  EnterInstance enter(instance);
-  if (enter.failed())
-    return;
-  enter.functions()->ZoomChanged(instance, factor);
-}
-
-void ZoomLimitsChanged(PP_Instance instance,
-                       double minimum_factor,
-                       double maximum_factor) {
-  VLOG(4) << "PPB_Zoom_Dev::ZoomLimitsChanged()";
-  EnterInstance enter(instance);
-  if (enter.failed())
-    return;
-  enter.functions()->ZoomLimitsChanged(instance, minimum_factor,
-                                       maximum_factor);
-}
-
-const PPB_Zoom_Dev_0_2 g_ppb_zoom_dev_thunk_0_2 = {&ZoomChanged,
-                                                   &ZoomLimitsChanged};
-
-}  // namespace
-
-PPAPI_THUNK_EXPORT const PPB_Zoom_Dev_0_2* GetPPB_Zoom_Dev_0_2_Thunk() {
-  return &g_ppb_zoom_dev_thunk_0_2;
-}
-
-}  // namespace thunk
-}  // namespace ppapi