IDL version of PPAPI interfaces.

BUG=none
TEST=none yet... soon.

Review URL: http://codereview.chromium.org/6726041

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@79857 0039d316-1c4b-4281-b951-d872f2087c98

diff --git a/ppapi/api/ppb.idl b/ppapi/api/ppb.idl
new file mode 100644
index 0000000..f580dcc
--- /dev/null
+++ b/ppapi/api/ppb.idl

@@ -0,0 +1,19 @@
+/* Copyright (c) 2011 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.
+ */
+
+/* This file defines a function pointer type for the PPB_GetInterface function.
+ */
+
+/* This function pointer type defines the signature for the PPB_GetInterface
+ * function. A generic PPB_GetInterface pointer is passed to
+ * PPP_InitializedModule when your module is loaded. You can use this pointer
+ * to request a pointer to a specific browser interface. Browser interface
+ * names are ASCII strings and are generally defined in the header file for
+ * the interface, such as PP_AUDIO_INTERFACE found in ppb.audio.h or
+ * PPB_GRAPHICS_2D_INTERFACE in ppb_graphics_2d.h.
+ *
+ * This value will be NULL if the interface is not supported on the browser.
+ */
+typedef mem_t PPB_GetInterface([in] str_t interface_name);