Remove unused in-process pepper APIs

ppapi/api/dev/ppp_zoom_dev.idl

Index: ppapi/api/dev/ppp_zoom_dev.idl
diff --git a/ppapi/api/dev/ppp_zoom_dev.idl b/ppapi/api/dev/ppp_zoom_dev.idl
deleted file mode 100644
index 2398f752ab629a3d3084db24c70b15032fcaee4e..0000000000000000000000000000000000000000
--- a/ppapi/api/dev/ppp_zoom_dev.idl
+++ /dev/null
@@ -1,27 +0,0 @@
-/* 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.
- */
-
-/**
- * Implementation of the Zoom interface.
- */
-
-label Chrome {
-  M14 = 0.3
-};
-
-/**
- * Zoom interface should only apply to those full-page "plugin-document".
- */
-interface PPP_Zoom_Dev {
-  /**
-   * Instruct plugin to zoom according to the given factor and whether the zoom
-   * only applies to text only.  The scale factor is the percentage divided by
-   * 100, i.e. 150% zoom is 1.5.
-   */
-  void Zoom([in] PP_Instance instance,
-            [in] double_t factor,
-            [in] PP_Bool text_only);
-};
-