Omnibox: Create DemoteByType Experiment

chrome/common/metrics/variations/variations_associated_data.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_COMMON_METRICS_VARIATIONS_VARIATIONS_ASSOCIATED_DATA_H_
 #define CHROME_COMMON_METRICS_VARIATIONS_VARIATIONS_ASSOCIATED_DATA_H_
 
 #include <map>
 #include <string>
 
@@ skipping 119 matching lines @@
 // Retrieves a specific parameter value corresponding to |param_name| for the
 // variation associated with the specified field trial, based on its selected
 // group. If the field trial does not exist or the specified parameter does not
 // exist, returns an empty string. Calling this function will result in the
 // field trial being marked as active if found (i.e. group() will be called on
 // it), if it wasn't already. Currently, this information is only available from
 // the browser process. Thread safe.
 std::string GetVariationParamValue(const std::string& trial_name,
                                    const std::string& param_name);
 
-// Expose some functions for testing. These functions just wrap functionality
-// that is implemented above.
+// Expose some functions for testing.
 namespace testing {
 
 // Clears all of the mapped associations.
 void ClearAllVariationIDs();
 
+// Clears all of the associated params.
+void ClearAllVariationParams();
+
 }  // namespace testing
 
 }  // namespace chrome_variations
 
 #endif  // CHROME_COMMON_METRICS_VARIATIONS_VARIATIONS_ASSOCIATED_DATA_H_