Merge bleeding edge up to 8774 into the GC branch.

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 75 matching lines @@
   static bool UseCrankshaft() { return use_crankshaft_; }
   // To be dead you have to have lived
   // TODO(isolates): move IsDead to Isolate.
   static bool IsDead() { return has_fatal_error_ || has_been_disposed_; }
   static void SetFatalError();
 
   // Report process out of memory. Implementation found in api.cc.
   static void FatalProcessOutOfMemory(const char* location,
                                       bool take_snapshot = false);
 
+  // Allows an entropy source to be provided for use in random number
+  // generation.
+  static void SetEntropySource(EntropySource source);
   // Random number generation support. Not cryptographically safe.
   static uint32_t Random(Isolate* isolate);
   // We use random numbers internally in memory allocation and in the
   // compilers for security. In order to prevent information leaks we
   // use a separate random state for internal random number
   // generation.
   static uint32_t RandomPrivate(Isolate* isolate);
   static Object* FillHeapNumberWithRandom(Object* heap_number,
                                           Isolate* isolate);
 
@@ skipping 15 matching lines @@
   static bool has_been_disposed_;
   // True if we are using the crankshaft optimizing compiler.
   static bool use_crankshaft_;
 };
 
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_V8_H_