Remove support for Javascript warnings in the VM.

runtime/lib/math_patch.dart

Index: runtime/lib/math_patch.dart
diff --git a/runtime/lib/math_patch.dart b/runtime/lib/math_patch.dart
index 667174cc61d2c13d1595c0bcf6c0f1689938d09c..1929aff26c62bf8b711640279e4b19f61f848413 100644
--- a/runtime/lib/math_patch.dart
+++ b/runtime/lib/math_patch.dart
@@ -116,6 +116,7 @@ class _Random implements Random {
   //   _state[_kSTATE_HI] = state >> 32;
   // This is a native to prevent 64-bit operations in Dart, which
   // fail with --throw_on_javascript_int_overflow.
+  // TODO(regis): Implement in Dart and remove Random_nextState in math.cc.
   void _nextState() native "Random_nextState";
 
   int nextInt(int max) {
@@ -158,8 +159,10 @@ class _Random implements Random {
   // Use a singleton Random object to get a new seed if no seed was passed.
   static var _prng = new _Random._withState(_initialSeed());
 
+

[srdjan, 2016/02/10 23:35:20]

One line too much

[regis, 2016/02/10 23:42:40]

Done.

   // This is a native to prevent 64-bit operations in Dart, which
   // fail with --throw_on_javascript_int_overflow.
+  // TODO(regis): Implement here in Dart and remove native in math.cc.
   static Uint32List _setupSeed(int seed) native "Random_setupSeed";
   // Get a seed from the VM's random number provider.
   static Uint32List _initialSeed() native "Random_initialSeed";