Fix cctest + unittest to work with an external snapshot.

test/cctest/cctest.cc

 // Copyright 2008 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 16 matching lines @@
 
 #include "include/v8.h"
 #include "test/cctest/cctest.h"
 
 #include "include/libplatform/libplatform.h"
 #include "src/debug.h"
 #include "test/cctest/print-extension.h"
 #include "test/cctest/profiler-extension.h"
 #include "test/cctest/trace-extension.h"
 
+#ifdef V8_USE_EXTERNAL_STARTUP_DATA
+#include "src/startup-data-util.h"
+#endif  // V8_USE_EXTERNAL_STARTUP_DATA
+
 #if V8_OS_WIN
 #include <windows.h>  // NOLINT
 #if V8_CC_MSVC
 #include <crtdbg.h>
 #endif
 #endif
 
 enum InitializationState {kUnset, kUnintialized, kInitialized};
 static InitializationState initialization_state_  = kUnset;
 static bool disable_automatic_dispose_ = false;
@@ skipping 112 matching lines @@
   _CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
   _set_error_mode(_OUT_TO_STDERR);
 #endif  // V8_CC_MSVC
 #endif  // V8_OS_WIN
 
   v8::V8::InitializeICU();
   v8::Platform* platform = v8::platform::CreateDefaultPlatform();
   v8::V8::InitializePlatform(platform);
   v8::internal::FlagList::SetFlagsFromCommandLine(&argc, argv, true);
   v8::V8::Initialize();
+#ifdef V8_USE_EXTERNAL_STARTUP_DATA
+  v8::StartupDataHandler startup_data(argv[0], NULL, NULL);
+#endif
 
   CcTestArrayBufferAllocator array_buffer_allocator;
   v8::V8::SetArrayBufferAllocator(&array_buffer_allocator);
 
   i::PrintExtension print_extension;
   v8::RegisterExtension(&print_extension);
   i::ProfilerExtension profiler_extension;
   v8::RegisterExtension(&profiler_extension);
   i::TraceExtension trace_extension;
   v8::RegisterExtension(&trace_extension);
@@ skipping 48 matching lines @@
   CcTest::TearDown();
   // TODO(svenpanne) See comment above.
   // if (!disable_automatic_dispose_) v8::V8::Dispose();
   v8::V8::ShutdownPlatform();
   delete platform;
   return 0;
 }
 
 RegisterThreadedTest *RegisterThreadedTest::first_ = NULL;
 int RegisterThreadedTest::count_ = 0;