Reland r17877 - Introduce a v8::Platform class that bundles embedder callbacks

src/v8.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 32 matching lines @@
 #endif  // defined(GOOGLE3)
 
 // V8 only uses DEBUG, but included external files
 // may use NDEBUG - make sure they are consistent.
 #if defined(DEBUG) && defined(NDEBUG)
 #error both DEBUG and NDEBUG are set
 #endif
 
 // Basic includes
 #include "../include/v8.h"
+#include "../include/v8-platform.h"
 #include "v8globals.h"
 #include "v8checks.h"
 #include "allocation.h"
 #include "assert-scope.h"
 #include "v8utils.h"
 #include "flags.h"
 
 // Objects & heap
 #include "objects-inl.h"
 #include "spaces-inl.h"
@@ skipping 41 matching lines @@
 
   static v8::ArrayBuffer::Allocator* ArrayBufferAllocator() {
     return array_buffer_allocator_;
   }
 
   static void SetArrayBufferAllocator(v8::ArrayBuffer::Allocator *allocator) {
     CHECK_EQ(NULL, array_buffer_allocator_);
     array_buffer_allocator_ = allocator;
   }
 
+  static void InitializePlatform(v8::Platform* platform);
+  static void ShutdownPlatform();
+  static v8::Platform* GetCurrentPlatform();
+
  private:
   static void InitializeOncePerProcessImpl();
   static void InitializeOncePerProcess();
 
   // List of callbacks when a Call completes.
   static List<CallCompletedCallback>* call_completed_callbacks_;
   // Allocator for external array buffers.
   static v8::ArrayBuffer::Allocator* array_buffer_allocator_;
+  // v8::Platform to use.
+  static v8::Platform* platform_;
 };
 
 
 // JavaScript defines two kinds of 'nil'.
 enum NilValue { kNullValue, kUndefinedValue };
 
 
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_V8_H_