[Extensions] Convert some SyncExtensionFunctions

chrome/browser/extensions/api/metrics_private/metrics_private_api.h

 // Copyright (c) 2012 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_BROWSER_EXTENSIONS_API_METRICS_PRIVATE_METRICS_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_METRICS_PRIVATE_METRICS_PRIVATE_API_H_
 
 #include <stddef.h>
 
 #include <string>
 
 #include "base/metrics/histogram.h"
 #include "extensions/browser/extension_function.h"
 
 namespace extensions {
 
 class MetricsPrivateGetIsCrashReportingEnabledFunction
-    : public SyncExtensionFunction {
+    : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.getIsCrashReportingEnabled",
                              METRICSPRIVATE_GETISCRASHRECORDINGENABLED)
 
  protected:
   ~MetricsPrivateGetIsCrashReportingEnabledFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
-class MetricsPrivateGetFieldTrialFunction : public SyncExtensionFunction {
+class MetricsPrivateGetFieldTrialFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.getFieldTrial",
                              METRICSPRIVATE_GETFIELDTRIAL)
 
  protected:
   ~MetricsPrivateGetFieldTrialFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
-class MetricsPrivateGetVariationParamsFunction : public SyncExtensionFunction {
+class MetricsPrivateGetVariationParamsFunction
+    : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.getVariationParams",
                              METRICSPRIVATE_GETVARIATIONPARAMS)
 
  protected:
   ~MetricsPrivateGetVariationParamsFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
-class MetricsPrivateRecordUserActionFunction : public SyncExtensionFunction {
+class MetricsPrivateRecordUserActionFunction
+    : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordUserAction",
                              METRICSPRIVATE_RECORDUSERACTION)
 
  protected:
   ~MetricsPrivateRecordUserActionFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
-class MetricsHistogramHelperFunction : public SyncExtensionFunction {
+class MetricsHistogramHelperFunction : public UIThreadExtensionFunction {
  protected:
   ~MetricsHistogramHelperFunction() override {}
-  virtual bool RecordValue(const std::string& name,
-                           base::HistogramType type,
-                           int min, int max, size_t buckets,
-                           int sample);
+  void RecordValue(const std::string& name,
+                   base::HistogramType type,
+                   int min,
+                   int max,
+                   size_t buckets,
+                   int sample);
 };
 
 class MetricsPrivateRecordValueFunction
     : public MetricsHistogramHelperFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordValue",
                              METRICSPRIVATE_RECORDVALUE)
 
  protected:
   ~MetricsPrivateRecordValueFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class MetricsPrivateRecordSparseValueFunction
     : public MetricsHistogramHelperFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordSparseValue",
                              METRICSPRIVATE_RECORDSPARSEVALUE)
 
  protected:
   ~MetricsPrivateRecordSparseValueFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class MetricsPrivateRecordPercentageFunction
     : public MetricsHistogramHelperFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordPercentage",
                              METRICSPRIVATE_RECORDPERCENTAGE)
 
  protected:
   ~MetricsPrivateRecordPercentageFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class MetricsPrivateRecordCountFunction
     : public MetricsHistogramHelperFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordCount",
                              METRICSPRIVATE_RECORDCOUNT)
 
  protected:
   ~MetricsPrivateRecordCountFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class MetricsPrivateRecordSmallCountFunction
     : public MetricsHistogramHelperFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordSmallCount",
                              METRICSPRIVATE_RECORDSMALLCOUNT)
 
  protected:
   ~MetricsPrivateRecordSmallCountFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class MetricsPrivateRecordMediumCountFunction
     : public MetricsHistogramHelperFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordMediumCount",
                              METRICSPRIVATE_RECORDMEDIUMCOUNT)
 
  protected:
   ~MetricsPrivateRecordMediumCountFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class MetricsPrivateRecordTimeFunction : public MetricsHistogramHelperFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordTime",
                              METRICSPRIVATE_RECORDTIME)
 
  protected:
   ~MetricsPrivateRecordTimeFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class MetricsPrivateRecordMediumTimeFunction
     : public MetricsHistogramHelperFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordMediumTime",
                              METRICSPRIVATE_RECORDMEDIUMTIME)
 
  protected:
   ~MetricsPrivateRecordMediumTimeFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class MetricsPrivateRecordLongTimeFunction
     : public MetricsHistogramHelperFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("metricsPrivate.recordLongTime",
                              METRICSPRIVATE_RECORDLONGTIME)
 
  protected:
   ~MetricsPrivateRecordLongTimeFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 } // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_METRICS_PRIVATE_METRICS_PRIVATE_API_H_