Enable Clear-Site-Data by default.

content/browser/loader/resource_dispatcher_host_impl.cc

 // 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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 
 #include <stddef.h>
 
@@ skipping 69 matching lines @@
 #include "content/public/browser/global_request_id.h"
 #include "content/public/browser/navigation_ui_data.h"
 #include "content/public/browser/plugin_service.h"
 #include "content/public/browser/resource_dispatcher_host_delegate.h"
 #include "content/public/browser/resource_request_details.h"
 #include "content/public/browser/resource_throttle.h"
 #include "content/public/browser/stream_handle.h"
 #include "content/public/browser/stream_info.h"
 #include "content/public/common/browser_side_navigation_policy.h"
 #include "content/public/common/content_features.h"
-#include "content/public/common/content_switches.h"
 #include "content/public/common/resource_request.h"
 #include "content/public/common/resource_request_body.h"
 #include "content/public/common/resource_request_completion_status.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_start.h"
 #include "net/base/auth.h"
 #include "net/base/load_flags.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_errors.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
@@ skipping 239 matching lines @@
           max_num_in_flight_requests_ * kMaxRequestsPerProcessRatio)),
       max_outstanding_requests_cost_per_process_(
           kMaxOutstandingRequestsCostPerProcess),
       largest_outstanding_request_count_seen_(0),
       largest_outstanding_request_per_process_count_seen_(0),
       delegate_(nullptr),
       loader_delegate_(nullptr),
       allow_cross_origin_auth_prompt_(false),
       create_download_handler_intercept_(download_handler_intercept),
       main_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()),
-      io_thread_task_runner_(io_thread_runner),
-      experimental_web_features_enabled_(
-          base::CommandLine::ForCurrentProcess()->HasSwitch(
-              switches::kEnableExperimentalWebPlatformFeatures)) {
+      io_thread_task_runner_(io_thread_runner) {
   DCHECK(main_thread_task_runner_->BelongsToCurrentThread());
   DCHECK(!g_resource_dispatcher_host);
   g_resource_dispatcher_host = this;
 
   ANNOTATE_BENIGN_RACE(
       &last_user_gesture_time_,
       "We don't care about the precise value, see http://crbug.com/92889");
 
   io_thread_task_runner_->PostTask(
       FROM_HERE,
@@ skipping 1232 matching lines @@
                                 resource_type,
                                 &throttles);
   }
 
   if (request->has_upload()) {
     // Request wake lock while uploading data.
     throttles.push_back(
         base::MakeUnique<WakeLockResourceThrottle>(request->url().host()));
   }
 
-  // The experimental Clear-Site-Data throttle.
-  if (experimental_web_features_enabled_) {
-    std::unique_ptr<ResourceThrottle> clear_site_data_throttle =
-        ClearSiteDataThrottle::MaybeCreateThrottleForRequest(request);
-    if (clear_site_data_throttle)
-      throttles.push_back(std::move(clear_site_data_throttle));
-  }
+  // The Clear-Site-Data throttle.
+  std::unique_ptr<ResourceThrottle> clear_site_data_throttle =
+      ClearSiteDataThrottle::MaybeCreateThrottleForRequest(request);
+  if (clear_site_data_throttle)
+    throttles.push_back(std::move(clear_site_data_throttle));
 
   // TODO(ricea): Stop looking this up so much.
   ResourceRequestInfoImpl* info = ResourceRequestInfoImpl::ForRequest(request);
   throttles.push_back(scheduler_->ScheduleRequest(child_id, route_id,
                                                   info->IsAsync(), request));
 
   // Split the handler in two groups: the ones that need to execute
   // WillProcessResponse before mime sniffing and the others.
   std::vector<std::unique_ptr<ResourceThrottle>> pre_mime_sniffing_throttles;
   std::vector<std::unique_ptr<ResourceThrottle>> post_mime_sniffing_throttles;
@@ skipping 1158 matching lines @@
     if (iter->second > 2) {
       active_tabs++;
       if (active_tabs >= 2)
         return true;
     }
   }
   return false;
 }
 
 }  // namespace content