Add AssertNoURLRequests() to URLRequestContext subclass destructors.

chrome/browser/profiles/profile_io_data.cc

Index: chrome/browser/profiles/profile_io_data.cc
diff --git a/chrome/browser/profiles/profile_io_data.cc b/chrome/browser/profiles/profile_io_data.cc
index 1682942abe41a6da5fa133d5566eb8401caa5d21..a0f6c515953525b5f60621b5ef05d8d9c04fa8b3 100644
--- a/chrome/browser/profiles/profile_io_data.cc
+++ b/chrome/browser/profiles/profile_io_data.cc
@@ -534,7 +534,9 @@ void ProfileIOData::MediaRequestContext::SetHttpTransactionFactory(
   set_http_transaction_factory(http_factory_.get());
 }
 
-ProfileIOData::MediaRequestContext::~MediaRequestContext() {}
+ProfileIOData::MediaRequestContext::~MediaRequestContext() {
+  AssertNoURLRequests();
+}
 
 ProfileIOData::AppRequestContext::AppRequestContext() {
 }
@@ -557,7 +559,9 @@ void ProfileIOData::AppRequestContext::SetJobFactory(
   set_job_factory(job_factory_.get());
 }
 
-ProfileIOData::AppRequestContext::~AppRequestContext() {}
+ProfileIOData::AppRequestContext::~AppRequestContext() {
+  AssertNoURLRequests();
+}
 
 ProfileIOData::ProfileParams::ProfileParams()
     : io_thread(NULL),