Rename JS_CURRENT_ISOLATE to JS_CURRENT_ISOLATE_CONTEXT.

dart/sdk/lib/_internal/compiler/implementation/lib/foreign_helper.dart

 // 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.
 
 library _foreign_helper;
 
 /**
  * Emits a JavaScript code fragment parameterized by arguments.
  *
  * Hash characters `#` in the [codeTemplate] are replaced in left-to-right order
@@ skipping 72 matching lines @@
  * Additional notes.
  *
  * In the future we may extend [typeDescription] to include other aspects of the
  * behavior, for example, separating the returned types from the instantiated
  * types, or including effects to allow the compiler to perform more
  * optimizations around the code.  This might be an extension of [JS] or a new
  * function similar to [JS] with additional arguments for the new information.
  */
 // Add additional optional arguments if needed. The method is treated internally
 // as a variable argument method.
-dynamic JS(String typeDescription, String codeTemplate,
-    [var arg0, var arg1, var arg2, var arg3, var arg4, var arg5, var arg6,
-     var arg7, var arg8, var arg9, var arg10, var arg11]) {}
+JS(String typeDescription, String codeTemplate,
+    [arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11])
+{}
 
 /**
  * Returns the isolate in which this code is running.
  */
-IsolateContext JS_CURRENT_ISOLATE() {}
+IsolateContext JS_CURRENT_ISOLATE_CONTEXT() {}
 
 abstract class IsolateContext {
   /// Holds a (native) JavaScript instance of Isolate, see
   /// finishIsolateConstructorFunction in emitter.dart.
   get isolateStatics;
 }
 
 /**
  * Invokes [function] in the context of [isolate].
  */
-dynamic JS_CALL_IN_ISOLATE(var isolate, Function function) {}
+JS_CALL_IN_ISOLATE(isolate, Function function) {}
 
 /**
  * Converts the Dart closure [function] into a JavaScript closure.
  */
-dynamic DART_CLOSURE_TO_JS(Function function) {}
+DART_CLOSURE_TO_JS(Function function) {}
 
 /**
  * Returns a raw reference to the JavaScript function which implements
  * [function].
  *
  * Warning: this is dangerous, you should probably use
  * [DART_CLOSURE_TO_JS] instead. The returned object is not a valid
  * Dart closure, does not store the isolate context or arity.
  *
  * A valid example of where this can be used is as the second argument
  * to V8's Error.captureStackTrace. See
  * https://code.google.com/p/v8/wiki/JavaScriptStackTraceApi.
  */
-dynamic RAW_DART_FUNCTION_REF(Function function) {}
+RAW_DART_FUNCTION_REF(Function function) {}
 
 /**
  * Sets the current isolate to [isolate].
  */
-void JS_SET_CURRENT_ISOLATE(var isolate) {}
+void JS_SET_CURRENT_ISOLATE(isolate) {}
 
 /**
  * Creates an isolate and returns it.
  */
-dynamic JS_CREATE_ISOLATE() {}
+JS_CREATE_ISOLATE() {}
 
 /**
  * Returns the JavaScript constructor function for Dart's Object class.
  * This can be used for type tests, as in
  *
  *     if (JS('bool', '# instanceof #', obj, JS_DART_OBJECT_CONSTRUCTOR()))
  *       ...
  */
-dynamic JS_DART_OBJECT_CONSTRUCTOR() {}
+JS_DART_OBJECT_CONSTRUCTOR() {}
 
 /**
  * Returns the prefix used for generated is checks on classes.
  */
 String JS_OPERATOR_IS_PREFIX() {}
 
 /**
  * Returns the prefix used for generated type argument substitutions on classes.
  */
 String JS_OPERATOR_AS_PREFIX() {}
+
+/**
+ * Returns the object corresponding to Namer.CURRENT_ISOLATE.
+ */
+JS_CURRENT_ISOLATE() {}