Domain Reliability: Remove browsing data when requested.

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index 85a7bf77128457812636de3dfa376891b4918ed1..4dd40f49caed24208e1bcd3abf2de43f4e995a3b 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -879,6 +879,14 @@ void TestingProfile::ClearNetworkingHistorySince(
   }
 }
 
+void TestingProfile::ClearDomainReliabilityMonitor(
+    bool clear_contexts,
+    const base::Closure& completion) {
+  if (!completion.is_null()) {
+    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, completion);
+  }
+}
+
 GURL TestingProfile::GetHomePage() {
   return GURL(chrome::kChromeUINewTabURL);
 }