Changes to create an application snapshot which can be layered on top

include/dart_api.h

 // Copyright (c) 2011, 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 INCLUDE_DART_API_H_
 #define INCLUDE_DART_API_H_
 
 /** \mainpage Dart Embedding API Reference
  *
  * Dart is a class-based programming language for creating structured
@@ skipping 365 matching lines @@
  *   snapshot. This buffer is scope allocated and is only valid
  *   until the next call to Dart_ExitScope.
  * \param size Returns the size of the buffer.
  *
  * \return A valid handle if no error occurs during the operation.
  */
 DART_EXPORT Dart_Handle Dart_CreateSnapshot(uint8_t** buffer,
                                             intptr_t* size);
 
 /**
- * Creates a snapshot of the specified application script.
+ * Creates a snapshot of the application script loaded in the isolate.
  *
  * A script snapshot can be used for implementing fast startup of applications
  * (skips the script tokenizing and parsing process). A Snapshot of the script
  * can only be created before any dart code has executed.
  *
- * Requires there to be a current isolate.
+ * Requires there to be a current isolate which already has loaded script.
  *
- * \param library An application script for which a snapshot is to be
- *  created.
  * \param buffer Returns a pointer to a buffer containing
  *   the snapshot. This buffer is scope allocated and is only valid
  *   until the next call to Dart_ExitScope.
  * \param size Returns the size of the buffer.
  *
  * \return A valid handle if no error occurs during the operation.
  */
-DART_EXPORT Dart_Handle Dart_CreateScriptSnapshot(Dart_Handle library,
-                                                  uint8_t** buffer,
+DART_EXPORT Dart_Handle Dart_CreateScriptSnapshot(uint8_t** buffer,
                                                   intptr_t* size);
 
 
 /**
  * Schedules an interrupt for the specified isolate.
  *
  * Note that the interrupt does not occur immediately. In fact, if
  * 'isolate' does not execute any further Dart code, then the
  * interrupt will not occur at all.  If and when the isolate is
  * interrupted, the isolate interrupt callback will be invoked with
@@ skipping 970 matching lines @@
 
 // --- Profiling support ----
 
 // External pprof support for gathering and dumping symbolic
 // information that can be used for better profile reports for
 // dynamically generated code.
 DART_EXPORT void Dart_InitPprofSupport();
 DART_EXPORT void Dart_GetPprofSymbolInfo(void** buffer, int* buffer_size);
 
 #endif  // INCLUDE_DART_API_H_