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

webkit/glue/webkitplatformsupport_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 "webkit/glue/webkitplatformsupport_impl.h"
 
 #if defined(OS_LINUX)
 #include <malloc.h>
 #endif
 
@@ skipping 287 matching lines @@
 void WebKitPlatformSupportImpl::traceEventBegin(const char* name, void* id,
                                                 const char* extra) {
   TRACE_EVENT_BEGIN_ETW(name, id, extra);
 }
 
 void WebKitPlatformSupportImpl::traceEventEnd(const char* name, void* id,
                                               const char* extra) {
   TRACE_EVENT_END_ETW(name, id, extra);
 }
 
+const unsigned char* WebKitPlatformSupportImpl::getCategoryEnabled(
+    const char* category_name) {
+  return TRACE_EVENT_API_GET_CATEGORY_ENABLED(category_name);
+}
+
+int WebKitPlatformSupportImpl::addTraceEvent(
+    char phase,
+    const unsigned char* category_enabled,
+    const char* name,
+    unsigned long long id,
+    int num_args,
+    const char** arg_names,
+    const unsigned char* arg_types,
+    const unsigned long long* arg_values,
+    int threshold_begin_id,
+    long long threshold,
+    unsigned char flags) {
+  return TRACE_EVENT_API_ADD_TRACE_EVENT(phase, category_enabled, name, id,
+                                         num_args, arg_names, arg_types,
+                                         arg_values, threshold_begin_id,
+                                         threshold, flags);
+}
+
+void WebKitPlatformSupportImpl::addCounterEvent(
+    const unsigned char* category_enabled,
+    const char* name,
+    unsigned long long id,
+    const char* arg1_name, int arg1_val,
+    const char* arg2_name, int arg2_val,
+    unsigned char flags) {
+  TRACE_EVENT_API_ADD_COUNTER_EVENT(category_enabled, name, id, arg1_name,
+                                    arg1_val, arg2_name, arg2_val, flags);
+}
+
+unsigned long long WebKitPlatformSupportImpl::getInterProcessID(void* pointer) {

[darin (slow to review), 2012/01/13 22:37:12]

Is it necessary for the WebKit API to talk about "inter-process" stuff?  Can
this be more generic from the point of view of WebKit?

[nduca, 2012/01/13 22:40:41]

manglePointerForTracing?

[jbates, 2012/01/13 23:56:03]

Done.

+  return TRACE_EVENT_API_GET_ID_FROM_POINTER(pointer);
+}
+
 namespace {
 
 WebData loadAudioSpatializationResource(WebKitPlatformSupportImpl* platform,
                                         const char* name) {
 #ifdef IDR_AUDIO_SPATIALIZATION_T000_P000
   const size_t kExpectedSpatializationNameLength = 31;
   if (strlen(name) != kExpectedSpatializationNameLength) {
     return WebData();
   }
 
@@ skipping 375 matching lines @@
   worker_task_runner->OnWorkerRunLoopStarted(runLoop);
 }
 
 void WebKitPlatformSupportImpl::didStopWorkerRunLoop(
     const WebKit::WebWorkerRunLoop& runLoop) {
   WorkerTaskRunner* worker_task_runner = WorkerTaskRunner::Instance();
   worker_task_runner->OnWorkerRunLoopStopped(runLoop);
 }
 
 }  // namespace webkit_glue