Implement PluginsPermissionContext and hookup to flash download interception.

chrome/browser/permissions/permission_uma_util.cc

 // 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.
 
 #include "chrome/browser/permissions/permission_uma_util.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 654 matching lines @@
       UMA_HISTOGRAM_ENUMERATION("Permissions.Action.AudioCapture", action,
                                 PERMISSION_ACTION_NUM);
       break;
     case PermissionType::VIDEO_CAPTURE:
       UMA_HISTOGRAM_ENUMERATION("Permissions.Action.VideoCapture", action,
                                 PERMISSION_ACTION_NUM);
       break;
     case PermissionType::FLASH:
       PERMISSION_ACTION_UMA(secure_origin, "Permissions.Action.Flash",
                             "Permissions.Action.SecureOrigin.Flash",
-                            "Permissions.Action.InsecureOrigin.Flash",
-                            action);
+                            "Permissions.Action.InsecureOrigin.Flash", action);
       break;
     // The user is not prompted for these permissions, thus there is no
     // permission action recorded for them.
     case PermissionType::MIDI:
     case PermissionType::BACKGROUND_SYNC:
     case PermissionType::NUM:
       NOTREACHED() << "PERMISSION "
                    << PermissionUtil::GetPermissionString(permission)
                    << " not accounted for";
   }
 
   // Retrieve the name of the RAPPOR metric. Currently, the new metric name is
   // the deprecated name with "2" on the end, e.g.
   // ContentSettings.PermissionActions_Geolocation.Granted.Url2. For simplicity,
   // we retrieve the deprecated name and append the "2" for the new name.
   // TODO(dominickn): remove the deprecated metric and replace it solely with
   // the new one in GetRapporMetric - crbug.com/605836.
   const std::string deprecated_metric = GetRapporMetric(permission, action);
   rappor::RapporService* rappor_service = g_browser_process->rappor_service();
   if (!deprecated_metric.empty() && rappor_service) {
     rappor::SampleDomainAndRegistryFromGURL(rappor_service, deprecated_metric,
                                             requesting_origin);
 
     std::string rappor_metric = deprecated_metric + "2";
     rappor_service->RecordSample(
         rappor_metric, rappor::LOW_FREQUENCY_ETLD_PLUS_ONE_RAPPOR_TYPE,
         rappor::GetDomainAndRegistrySampleFromGURL(requesting_origin));
   }
 }