Rename NoSuchMethodException to NoSuchMethodError.

runtime/vm/stub_code_x64.cc

Index: runtime/vm/stub_code_x64.cc
diff --git a/runtime/vm/stub_code_x64.cc b/runtime/vm/stub_code_x64.cc
index 7d06f4840b5413cb1bc01dcc3b9dba1edca65acb..a67c37755fafbcf5d50d82ed4d0dabf2eccd05f7 100644
--- a/runtime/vm/stub_code_x64.cc
+++ b/runtime/vm/stub_code_x64.cc
@@ -1476,7 +1476,7 @@ void StubCode::GenerateCallNoSuchMethodFunctionStub(Assembler* assembler) {
   // The signature of the "noSuchMethod" method has to change from
   // noSuchMethod(String name, Array arguments) to something like
   // noSuchMethod(InvocationMirror call).
-  // Also, the class NoSuchMethodException has to be modified accordingly.
+  // Also, the class NoSuchMethodError has to be modified accordingly.
   // Total number of args is the first Smi in args descriptor array (R10).
   const Immediate raw_null =
       Immediate(reinterpret_cast<intptr_t>(Object::null()));