Revert change that was based on a local change that was not

runtime/vm/dart_api_impl_test.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_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
 #include "platform/utils.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
@@ skipping 5549 matching lines @@
   Dart_Handle source = Dart_NewString(kLibrary1Chars);
   Dart_Handle lib = Dart_LoadLibrary(url, source);
   EXPECT_VALID(lib);
   EXPECT(Dart_IsLibrary(lib));
 
   url = Dart_NewString("source_url");
   source = Dart_NewString(kSourceChars);
 
   result = Dart_LoadSource(Dart_Null(), url, source);
   EXPECT(Dart_IsError(result));
-  EXPECT_STREQ("LibraryLoadSource expects argument 'library' to be non-null.",
+  EXPECT_STREQ("Dart_LoadSource expects argument 'library' to be non-null.",
                Dart_GetError(result));
 
   result = Dart_LoadSource(Dart_True(), url, source);
   EXPECT(Dart_IsError(result));
   EXPECT_STREQ(
-      "LibraryLoadSource expects argument 'library' to be of type Library.",
+      "Dart_LoadSource expects argument 'library' to be of type Library.",
       Dart_GetError(result));
 
   result = Dart_LoadSource(error, url, source);
   EXPECT(Dart_IsError(result));
   EXPECT_STREQ("incoming error", Dart_GetError(result));
 
   result = Dart_LoadSource(lib, Dart_Null(), source);
   EXPECT(Dart_IsError(result));
-  EXPECT_STREQ("LibraryLoadSource expects argument 'url' to be non-null.",
+  EXPECT_STREQ("Dart_LoadSource expects argument 'url' to be non-null.",
                Dart_GetError(result));
 
   result = Dart_LoadSource(lib, Dart_True(), source);
   EXPECT(Dart_IsError(result));
-  EXPECT_STREQ("LibraryLoadSource expects argument 'url' to be of type String.",
+  EXPECT_STREQ("Dart_LoadSource expects argument 'url' to be of type String.",
                Dart_GetError(result));
 
   result = Dart_LoadSource(lib, error, source);
   EXPECT(Dart_IsError(result));
   EXPECT_STREQ("incoming error", Dart_GetError(result));
 
   result = Dart_LoadSource(lib, url, Dart_Null());
   EXPECT(Dart_IsError(result));
-  EXPECT_STREQ("LibraryLoadSource expects argument 'source' to be non-null.",
+  EXPECT_STREQ("Dart_LoadSource expects argument 'source' to be non-null.",
                Dart_GetError(result));
 
   result = Dart_LoadSource(lib, url, Dart_True());
   EXPECT(Dart_IsError(result));
   EXPECT_STREQ(
-      "LibraryLoadSource expects argument 'source' to be of type String.",
+      "Dart_LoadSource expects argument 'source' to be of type String.",
       Dart_GetError(result));
 
   result = Dart_LoadSource(lib, error, source);
   EXPECT(Dart_IsError(result));
   EXPECT_STREQ("incoming error", Dart_GetError(result));
 
   // Success.
   result = Dart_LoadSource(lib, url, source);
   EXPECT_VALID(result);
   EXPECT(Dart_IsLibrary(result));
@@ skipping 1530 matching lines @@
     EXPECT(o2 == reinterpret_cast<void*>(&p2));
   }
   Dart_ExitScope();
   isolate->heap()->CollectGarbage(Heap::kOld);
   EXPECT_EQ(0, isolate->heap()->PeerCount());
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart