Split up trace_event.h into trace_event_impl.h and add webkitplatform support.

base/debug/trace_event_impl.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.
 
-#include "base/debug/trace_event.h"
+#include "base/debug/trace_event_impl.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
+#include "base/debug/trace_event.h"
 #include "base/file_util.h"
 #include "base/format_macros.h"
 #include "base/lazy_instance.h"
 #include "base/memory/singleton.h"
 #include "base/process_util.h"
 #include "base/stringprintf.h"
 #include "base/string_tokenizer.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread_local.h"
 #include "base/utf_string_conversions.h"
@@ skipping 717 matching lines @@
   // Create a FNV hash from the process ID for XORing.
   // See http://isthe.com/chongo/tech/comp/fnv/ for algorithm details.
   unsigned long long offset_basis = 14695981039346656037ull;
   unsigned long long fnv_prime = 1099511628211ull;
   unsigned long long pid = static_cast<unsigned long long>(process_id_);
   process_id_hash_ = (offset_basis ^ pid) * fnv_prime;
 }
 
 }  // namespace debug
 }  // namespace base
-
-namespace trace_event_internal {
-
-void TraceEndOnScopeClose::Initialize(const unsigned char* category_enabled,
-                                      const char* name) {
-  data_.category_enabled = category_enabled;
-  data_.name = name;
-  p_data_ = &data_;
-}
-
-void TraceEndOnScopeClose::AddEventIfEnabled() {
-  // Only called when p_data_ is non-null.
-  if (*p_data_->category_enabled) {
-    TRACE_EVENT_API_ADD_TRACE_EVENT(
-        TRACE_EVENT_PHASE_END,
-        p_data_->category_enabled,
-        p_data_->name, kNoEventId,
-        kZeroNumArgs, NULL, NULL, NULL,
-        kNoThreshholdBeginId, kNoThresholdValue, TRACE_EVENT_FLAG_NONE);
-  }
-}
-
-void TraceEndOnScopeCloseThreshold::Initialize(
-                                      const unsigned char* category_enabled,
-                                      const char* name,
-                                      int threshold_begin_id,
-                                      long long threshold) {
-  data_.category_enabled = category_enabled;
-  data_.name = name;
-  data_.threshold_begin_id = threshold_begin_id;
-  data_.threshold = threshold;
-  p_data_ = &data_;
-}
-
-void TraceEndOnScopeCloseThreshold::AddEventIfEnabled() {
-  // Only called when p_data_ is non-null.
-  if (*p_data_->category_enabled) {
-    TRACE_EVENT_API_ADD_TRACE_EVENT(
-        TRACE_EVENT_PHASE_END,
-        p_data_->category_enabled,
-        p_data_->name, kNoEventId,
-        kZeroNumArgs, NULL, NULL, NULL,
-        p_data_->threshold_begin_id, p_data_->threshold,
-        TRACE_EVENT_FLAG_NONE);
-  }
-}
-
-}  // namespace trace_event_internal