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

base/debug/trace_event_impl.cc

Index: base/debug/trace_event_impl.cc
diff --git a/base/debug/trace_event.cc b/base/debug/trace_event_impl.cc
similarity index 90%
copy from base/debug/trace_event.cc
copy to base/debug/trace_event_impl.cc
index c5547697ee822920492f7ef7f1cf0e50b7f9843c..0608c78957e3cf8149b2b5aefc50916194d03844 100644
--- a/base/debug/trace_event.cc
+++ b/base/debug/trace_event_impl.cc
@@ -2,11 +2,12 @@
 // 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"
@@ -636,33 +637,6 @@ void TraceLog::AddTraceEventEtw(char phase,
                            TRACE_EVENT_FLAG_COPY, "id", id, "extra", extra);
 }
 
-void TraceLog::AddCounterEvent(const unsigned char* category_enabled,
-                               const char* name,
-                               unsigned long long id,
-                               const char* value1_name, int value1_val,
-                               const char* value2_name, int value2_val,
-                               unsigned char flags) {
-  int num_args = value2_name ? 2 : 1;
-  const char* arg_names[2] = {value1_name, value2_name};
-  unsigned char arg_types[2];
-  unsigned long long arg_values[2];
-  trace_event_internal::SetTraceValue(value1_val, &arg_types[0],
-                                      &arg_values[0]);
-  trace_event_internal::SetTraceValue(value2_val, &arg_types[1],
-                                      &arg_values[1]);
-  AddTraceEvent(TRACE_EVENT_PHASE_COUNTER,
-                category_enabled,
-                name,
-                id,
-                num_args,
-                arg_names,
-                arg_types,
-                arg_values,
-                trace_event_internal::kNoThreshholdBeginId,
-                trace_event_internal::kNoThresholdValue,
-                flags);
-}
-
 void TraceLog::AddClockSyncMetadataEvents() {
 #if defined(OS_ANDROID)
   // Since Android does not support sched_setaffinity, we cannot establish clock
@@ -744,51 +718,3 @@ void TraceLog::SetProcessID(int process_id) {
 
 }  // 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