Implement UMA log throttling for cellular connections

chrome/browser/net/chrome_network_delegate_unittest.cc

Index: chrome/browser/net/chrome_network_delegate_unittest.cc
diff --git a/chrome/browser/net/chrome_network_delegate_unittest.cc b/chrome/browser/net/chrome_network_delegate_unittest.cc
index b6feec34a4ef3ebc72e4b536a11628e704cdb524..ab9988643efa9a49d6a2762e3cd13b3d7d3202c1 100644
--- a/chrome/browser/net/chrome_network_delegate_unittest.cc
+++ b/chrome/browser/net/chrome_network_delegate_unittest.cc
@@ -157,7 +157,8 @@ class ChromeNetworkDelegateTest : public testing::Test {
 
   void Initialize() {
     network_delegate_.reset(
-        new ChromeNetworkDelegate(forwarder(), &enable_referrers_));
+        new ChromeNetworkDelegate(forwarder(), &enable_referrers_,
+                                  metrics::UpdateUsagePrefCallbackType()));
     context_->set_client_socket_factory(&socket_factory_);
     context_->set_network_delegate(network_delegate_.get());
     context_->Init();
@@ -348,7 +349,8 @@ class ChromeNetworkDelegateSafeSearchTest : public testing::Test {
  protected:
   scoped_ptr<net::NetworkDelegate> CreateNetworkDelegate() {
     scoped_ptr<ChromeNetworkDelegate> network_delegate(
-        new ChromeNetworkDelegate(forwarder(), &enable_referrers_));
+        new ChromeNetworkDelegate(forwarder(), &enable_referrers_,
+                                  metrics::UpdateUsagePrefCallbackType()));
     network_delegate->set_force_google_safe_search(&force_google_safe_search_);
     network_delegate->set_force_youtube_safety_mode(
         &force_youtube_safety_mode_);
@@ -446,7 +448,8 @@ class ChromeNetworkDelegatePrivacyModeTest : public testing::Test {
  protected:
   scoped_ptr<ChromeNetworkDelegate> CreateNetworkDelegate() {
     scoped_ptr<ChromeNetworkDelegate> network_delegate(
-        new ChromeNetworkDelegate(forwarder(), &enable_referrers_));
+        new ChromeNetworkDelegate(forwarder(), &enable_referrers_,
+                                  metrics::UpdateUsagePrefCallbackType()));
     network_delegate->set_cookie_settings(cookie_settings_);
     return network_delegate;
   }