Remove Dart_GetScriptSource as it is not used anywhere.

runtime/vm/debugger_api_impl.cc

 // 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.
 
 #include "include/dart_debugger_api.h"
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/debugger.h"
 #include "vm/isolate.h"
@@ skipping 550 matching lines @@
   const Script& script = Script::Handle(lib.LookupScript(script_url));
   if (script.IsNull()) {
     return Api::NewError("%s: script '%s' not found in library '%s'",
                          CURRENT_FUNC, script_url.ToCString(),
                          String::Handle(lib.url()).ToCString());
   }
   return Api::NewHandle(isolate, script.Source());
 }
 
 
-DART_EXPORT Dart_Handle Dart_GetScriptSource(
-                            Dart_Handle library_url_in,
-                            Dart_Handle script_url_in) {
-  Isolate* isolate = Isolate::Current();
-  DARTSCOPE(isolate);
-  UNWRAP_AND_CHECK_PARAM(String, library_url, library_url_in);
-  UNWRAP_AND_CHECK_PARAM(String, script_url, script_url_in);
-
-  const Library& library = Library::Handle(Library::LookupLibrary(library_url));
-  if (library.IsNull()) {
-    return Api::NewError("%s: library '%s' not found",
-                         CURRENT_FUNC, library_url.ToCString());
-  }
-
-  const Script& script = Script::Handle(library.LookupScript(script_url));
-  if (script.IsNull()) {
-    return Api::NewError("%s: script '%s' not found in library '%s'",
-                         CURRENT_FUNC, script_url.ToCString(),
-                         library_url.ToCString());
-  }
-
-  return Api::NewHandle(isolate, script.Source());
-}
-
-
 DART_EXPORT Dart_Handle Dart_GetScriptURLs(Dart_Handle library_url_in) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   UNWRAP_AND_CHECK_PARAM(String, library_url, library_url_in);
 
   const Library& library = Library::Handle(Library::LookupLibrary(library_url));
   if (library.IsNull()) {
     return Api::NewError("%s: library '%s' not found",
                          CURRENT_FUNC, library_url.ToCString());
   }
@@ skipping 147 matching lines @@
 
 
 DART_EXPORT char* Dart_GetVmStatus(const char* request) {
   if (strncmp(request, "/isolate/", 9) == 0) {
     return Isolate::GetStatus(request);
   }
   return NULL;
 }
 
 }  // namespace dart