gm: add --ignoreTests flag

gm/gm_expectations.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef gm_expectations_DEFINED
 #define gm_expectations_DEFINED
 
 #include "gm.h"
@@ skipping 115 matching lines @@
          * don't have any expectations.
          */
         Expectations(Json::Value jsonElement);
 
         /**
          * Returns true iff we want to ignore failed expectations.
          */
         bool ignoreFailure() const { return this->fIgnoreFailure; }
 
         /**
+         * Override default setting of fIgnoreFailure.
+         */
+        void setIgnoreFailure(bool val) { this->fIgnoreFailure = val; }
+
+        /**
          * Returns true iff there are no allowed results.
          */
         bool empty() const { return this->fAllowedResultDigests.empty(); }
 
         /**
          * Returns true iff resultDigest matches any allowed result,
          * regardless of fIgnoreFailure.  (The caller can check
          * that separately.)
          */
         bool match(GmResultDigest resultDigest) const;
@@ skipping 118 matching lines @@
          * Returns true if successful.
          */
         static bool Parse(const char *jsonPath, Json::Value *jsonRoot);
 
         Json::Value fJsonRoot;
         Json::Value fJsonExpectedResults;
     };
 
 }
 #endif