Revert 175233 because Linux ASAN builder cannot compile it.

ppapi/api/dev/ppb_trace_event_dev.idl

Index: ppapi/api/dev/ppb_trace_event_dev.idl
===================================================================
--- ppapi/api/dev/ppb_trace_event_dev.idl	(revision 175235)
+++ ppapi/api/dev/ppb_trace_event_dev.idl	(working copy)
@@ -1,50 +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.
- */
-
-/**
- * This file defines the <code>PPB_Trace_Event</code> interface. It is meant
- * to be used in plugins as the API that trace macros from trace_event.h use.
- */
-
-label Chrome {
-  M25 = 0.1
-};
-
-interface PPB_Trace_Event_Dev {
-  /**
-   * Gets a pointer to a character for identifying a category name in the
-   * tracing system as well as for being able to early exit in client-side
-   * tracing code.
-   *
-   * NB: This mem_t return value should technically be const, but return values
-   * for Pepper IDL of mem_t type are not const.  The same is true for the arg
-   * |category_enabled| for AddTraceEvent.
-   */
-  mem_t GetCategoryEnabled([in] cstr_t category_name);
-
-  /**
-   * Adds a trace event to the platform tracing system. This function call is
-   * usually the result of a TRACE_* macro from trace_event.h when tracing and
-   * the category of the particular trace are enabled. It is not advisable to
-   * call this function on its own; it is really only meant to be used by the
-   * trace macros.
-   */
-  void AddTraceEvent(
-      [in] int8_t phase,
-      [in] mem_t category_enabled,
-      [in] cstr_t name,
-      [in] uint64_t id,
-      [in] uint32_t num_args,
-      [in, size_as=num_args] str_t[] arg_names,
-      [in, size_as=num_args] uint8_t[] arg_types,
-      [in, size_as=num_args] uint64_t[] arg_values,
-      [in] uint8_t flags);
-
-  /**
-   * Sets the thread name of the calling thread in the tracing system so it will
-   * show up properly in chrome://tracing.
-   */
-  void SetThreadName([in] cstr_t thread_name);
-};