Tweak shouldWarnOnNoSuchType() usage.

compiler/java/com/google/dart/compiler/CommandLineOptions.java

Index: compiler/java/com/google/dart/compiler/CommandLineOptions.java
diff --git a/compiler/java/com/google/dart/compiler/CommandLineOptions.java b/compiler/java/com/google/dart/compiler/CommandLineOptions.java
index 62976f869f464f377e108bea0f8a7ba5893c2a70..95dec3357750c4e45874088e30de6e074c15fc09 100644
--- a/compiler/java/com/google/dart/compiler/CommandLineOptions.java
+++ b/compiler/java/com/google/dart/compiler/CommandLineOptions.java
@@ -41,10 +41,6 @@ public class CommandLineOptions {
     @Option(name = "--expose_core_impl", usage = "Automatic import of dart:coreimpl library")
     private boolean exposeCoreImpl = false;
 
-    @Option(name = "--warn_no_such_type",
-        usage = "Treat some type checks as warnings\n instead of fatal errors")
-    private boolean shouldWarnOnNoSuchType = false;
-
     @Option(name = "--enable_type_checks",
         usage = "Generate runtime type checks")
     private boolean developerModeChecks = false;
@@ -277,14 +273,6 @@ public class CommandLineOptions {
     }
 
     /**
-     * Returns returns true if some resolver static errors should be reported as type
-     * warnings instead of fatal errors.
-     */
-    public boolean shouldWarnOnNoSuchType() {
-      return shouldWarnOnNoSuchType;
-    }
-
-    /**
      * Returns whether type errors are fatal.
      */
     public boolean typeErrorsAreFatal() {