Implement UMA log throttling for cellular connections

chrome/browser/extensions/api/web_request/web_request_api_unittest.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.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <queue>
 #include <tuple>
@@ skipping 175 matching lines @@
         profile_manager_(TestingBrowserProcess::GetGlobal()),
         event_router_(new EventRouterForwarder) {}
 
  protected:
   void SetUp() override {
     ASSERT_TRUE(profile_manager_.SetUp());
     ChromeNetworkDelegate::InitializePrefsOnUIThread(
         &enable_referrers_, NULL, NULL, NULL,
         profile_.GetTestingPrefService());
     network_delegate_.reset(
-        new ChromeNetworkDelegate(event_router_.get(), &enable_referrers_));
+        new ChromeNetworkDelegate(event_router_.get(), &enable_referrers_,
+                                  metrics::UpdateUsagePrefCallbackType()));
     network_delegate_->set_profile(&profile_);
     network_delegate_->set_cookie_settings(
         CookieSettingsFactory::GetForProfile(&profile_).get());
     context_.reset(new net::TestURLRequestContext(true));
     context_->set_network_delegate(network_delegate_.get());
     context_->Init();
   }
 
   // Fires a URLRequest with the specified |method|, |content_type| and three
   // elements of upload data: bytes_1, a dummy empty file, bytes_2.
@@ skipping 657 matching lines @@
         profile_manager_(TestingBrowserProcess::GetGlobal()),
         event_router_(new EventRouterForwarder) {}
 
  protected:
   void SetUp() override {
     ASSERT_TRUE(profile_manager_.SetUp());
     ChromeNetworkDelegate::InitializePrefsOnUIThread(
         &enable_referrers_, NULL, NULL, NULL,
         profile_.GetTestingPrefService());
     network_delegate_.reset(
-        new ChromeNetworkDelegate(event_router_.get(), &enable_referrers_));
+        new ChromeNetworkDelegate(event_router_.get(), &enable_referrers_,
+                                  metrics::UpdateUsagePrefCallbackType()));
     network_delegate_->set_profile(&profile_);
     network_delegate_->set_cookie_settings(
         CookieSettingsFactory::GetForProfile(&profile_).get());
     context_.reset(new net::TestURLRequestContext(true));
     host_resolver_.reset(new net::MockHostResolver());
     host_resolver_->rules()->AddSimulatedFailure("doesnotexist");
     context_->set_host_resolver(host_resolver_.get());
     context_->set_network_delegate(network_delegate_.get());
     context_->Init();
   }
@@ skipping 1430 matching lines @@
   EXPECT_TRUE(credentials_set);
   EXPECT_FALSE(auth3.Empty());
   EXPECT_EQ(username, auth1.username());
   EXPECT_EQ(password, auth1.password());
   EXPECT_EQ(1u, warning_set.size());
   EXPECT_TRUE(HasWarning(warning_set, "extid2"));
   EXPECT_EQ(3u, capturing_net_log.GetSize());
 }
 
 }  // namespace extensions