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

webkit/glue/webkitplatformsupport_impl.h

 // 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.
 
 #ifndef WEBKIT_PLATFORM_SUPPORT_IMPL_H_
 #define WEBKIT_PLATFORM_SUPPORT_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "base/platform_file.h"
 #include "base/threading/thread_local_storage.h"
@@ skipping 55 matching lines @@
   virtual void getPluginList(bool refresh, WebKit::WebPluginListBuilder*);
   virtual void decrementStatsCounter(const char* name);
   virtual void incrementStatsCounter(const char* name);
   virtual void histogramCustomCounts(
     const char* name, int sample, int min, int max, int bucket_count);
   virtual void histogramEnumeration(
     const char* name, int sample, int boundary_value);
   virtual bool isTraceEventEnabled() const;
   virtual void traceEventBegin(const char* name, void* id, const char* extra);
   virtual void traceEventEnd(const char* name, void* id, const char* extra);
+  virtual const unsigned char* getCategoryEnabled(const char* category_name);
+  virtual int 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);
+  virtual void addCounterEvent(

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

Er, before this, is there any hope of folding counters into addTraceEvent? I
would have expected the arg_types refactoring stuff to have fixed the issue that
prevented me from using it originally [though I've forgotten what the issue was,
tbh]

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

Done.

+      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);
+  virtual unsigned long long getInterProcessID(void* pointer);
   virtual WebKit::WebData loadResource(const char* name);
   virtual bool loadAudioResource(
       WebKit::WebAudioBus* destination_bus, const char* audio_file_data,
       size_t data_size, double sample_rate);
   virtual WebKit::WebString queryLocalizedString(
       WebKit::WebLocalizedString::Name name);
   virtual WebKit::WebString queryLocalizedString(
       WebKit::WebLocalizedString::Name name, int numeric_value);
   virtual WebKit::WebString queryLocalizedString(
       WebKit::WebLocalizedString::Name name, const WebKit::WebString& value);
@@ skipping 55 matching lines @@
   void (*shared_timer_func_)();
   double shared_timer_fire_time_;
   int shared_timer_suspended_;  // counter
   WebThemeEngineImpl theme_engine_;
   base::ThreadLocalStorage::Slot current_thread_slot_;
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_PLATFORM_SUPPORT_IMPL_H_