Fix ambigous typos.

runtime/observatory/lib/src/debugger/debugger_location.dart

 // Copyright (c) 2015, 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.
 
 part of debugger;
 
 class DebuggerLocation {
   DebuggerLocation.file(this.script, this.line, this.col);
   DebuggerLocation.func(this.function);
   DebuggerLocation.error(this.errorMessage);
@@ skipping 79 matching lines @@
 
     if (scriptName != null) {
       // Resolve the script.
       var scripts = await _lookupScript(debugger.isolate, scriptName);
       if (scripts.length == 0) {
         return new DebuggerLocation.error("Script '${scriptName}' not found");
       } else if (scripts.length == 1) {
         return new DebuggerLocation.file(scripts[0], line, col);
       } else {
         // TODO(turnidge): Allow the user to disambiguate.
-        return new DebuggerLocation.error("Script '${scriptName}' is ambigous");
+        return
+            new DebuggerLocation.error("Script '${scriptName}' is ambiguous");
       }
     } else {
       // No script provided.  Default to top of stack for now.
       var frame = await _currentFrame(debugger);
       if (frame == null) {
         return new Future.value(new DebuggerLocation.error(
             'A script must be provided when the stack is empty'));
       }
       Script script = frame.location.script;
       await script.load();
@@ skipping 135 matching lines @@
         }
       }
       if (functions.length == 0) {
         return new DebuggerLocation.error(
             "Function '${match.group(0)}' not found");
       } else if (functions.length == 1) {
         return new DebuggerLocation.func(functions[0]);
       } else {
         // TODO(turnidge): Allow the user to disambiguate.
         return new DebuggerLocation.error(
-            "Function '${match.group(0)}' is ambigous");
+            "Function '${match.group(0)}' is ambiguous");
       }
       return new DebuggerLocation.error('foo');
     });
   }
 
   static RegExp partialSourceLocMatcher =
       new RegExp(r'^([^\d:]?[^:]+[:]?)?(\d+)?([:]\d*)?');
   static RegExp partialFunctionMatcher = new RegExp(r'^([^.]*)([.][^.]*)?');
 
   /// Completes a partial source location description.
@@ skipping 178 matching lines @@
     return 'invalid source location (${errorMessage})';
   }
 
   Script script;
   int line;
   int col;
   ServiceFunction function;
   String errorMessage;
   bool get valid => (errorMessage == null);
 }