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// Copyright 2014 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 COMPONENTS_SEARCH_SEARCH_H_
#define COMPONENTS_SEARCH_SEARCH_H_
#include <string>
#include <utility>
#include <vector>
#include "base/basictypes.h"
#include "base/strings/string16.h"
#include "base/strings/string_split.h"
namespace chrome {
// Returns whether the Instant Extended API is enabled.
bool IsInstantExtendedAPIEnabled();
// Returns the value to pass to the &espv CGI parameter when loading the
// embedded search page from the user's default search provider. Returns 0 if
// the Instant Extended API is not enabled.
uint64 EmbeddedSearchPageVersion();
// Type for a collection of experiment configuration parameters.
typedef base::StringPairs FieldTrialFlags;
// Finds the active field trial group name and parses out the configuration
// flags. On success, |flags| will be filled with the field trial flags. |flags|
// must not be NULL. Returns true iff the active field trial is successfully
// parsed and not disabled.
// Note that |flags| may be successfully populated in some cases when false is
// returned - in these cases it should not be used.
// Exposed for testing only.
bool GetFieldTrialInfo(FieldTrialFlags* flags);
// Given a FieldTrialFlags object, returns the string value of the provided
// flag.
// Exposed for testing only.
std::string GetStringValueForFlagWithDefault(const std::string& flag,
const std::string& default_value,
const FieldTrialFlags& flags);
// Given a FieldTrialFlags object, returns the uint64 value of the provided
// flag.
// Exposed for testing only.
uint64 GetUInt64ValueForFlagWithDefault(const std::string& flag,
uint64 default_value,
const FieldTrialFlags& flags);
// Given a FieldTrialFlags object, returns the bool value of the provided flag.
// Exposed for testing only.
bool GetBoolValueForFlagWithDefault(const std::string& flag,
bool default_value,
const FieldTrialFlags& flags);
} // namespace chrome
#endif // COMPONENTS_SEARCH_SEARCH_H_
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