Fix crashing bugs when dart code executed inside the debugger triggers breakpoints

Source/bindings/dart/DartDebugServer.cpp

Index: Source/bindings/dart/DartDebugServer.cpp
diff --git a/Source/bindings/dart/DartDebugServer.cpp b/Source/bindings/dart/DartDebugServer.cpp
index f2705fae27278ae2cbbaa3d2645926a99193a2bc..82ab3e1e04bb1998aa48d0b6b1a399801091a62d 100644
--- a/Source/bindings/dart/DartDebugServer.cpp
+++ b/Source/bindings/dart/DartDebugServer.cpp
@@ -438,13 +438,7 @@ static v8::Handle<v8::Value> evaluateInScope(const v8::Arguments& args)
     v8::Debug::GetDebugContext()->Enter();
     v8::Handle<v8::Function> function = script->Run().As<v8::Function>();
     v8::Debug::GetDebugContext()->Exit();
-    Dart_ExceptionPauseInfo previousPauseInfo = Dart_GetExceptionPauseInfo();
-    // FIXME: it is not clear this is the right long term solution but for now
-    // we prevent pausing on exceptions when executing an evaluate statement to
-    // avoid crashing debug dartium builds.
-    Dart_SetExceptionPauseInfo(kNoPauseOnExceptions);
     v8::Handle<v8::Value> ret = function->Call(receiver, 2, scopes);
-    Dart_SetExceptionPauseInfo(previousPauseInfo);
     return ret;
 }