Move assert.h/assert.cc from runtime/vm to runtime/platform

runtime/vm/store_buffer.h

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_STORE_BUFFER_H_
 #define VM_STORE_BUFFER_H_
 
-#include "vm/assert.h"
+#include "platform/assert.h"
+#include "vm/globals.h"
 
 namespace dart {
 
 class StoreBufferBlock {
  public:
   // Each block contains kSize pointers.
   static const int32_t kSize = 1024;
 
   StoreBufferBlock() : top_(0) {}
 
@@ skipping 16 matching lines @@
   void ProcessBuffer();
 
  private:
   int32_t top_;
   uword pointers_[kSize];
 };
 
 }  // namespace dart
 
 #endif  // VM_STORE_BUFFER_H_