Remove net-internals page for throttling, introduce flag for extension devs instead.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 984ebd8563ed002d5f6a5b60c1da423895d94293..9b33493462a82979bb8530f1e3c5df2012f804da 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -285,15 +285,25 @@ void InitializeNetworkOptions(const CommandLine& parsed_command_line) {
   }
 }
 
-void InitializeURLRequestThrottlerManager(net::NetLog* net_log) {
-  net::URLRequestThrottlerManager::GetInstance()->set_enable_thread_checks(
-      true);
+void InitializeURLRequestThrottlerManager(
+    const CommandLine& parsed_command_line,
+    net::NetLog* net_log) {
+  net::URLRequestThrottlerManager* manager =
+      net::URLRequestThrottlerManager::GetInstance();
+
+  // Always done in production, disabled only for unit tests.
+  manager->set_enable_thread_checks(true);
+
+  if (parsed_command_line.HasSwitch(
+          switches::kDisableExtensionsHttpThrottling)) {
+    manager->set_enforce_throttling(false);
+  }
 
   // TODO(joi): Passing the NetLog here is temporary; once I switch the
   // URLRequestThrottlerManager to be part of the URLRequestContext it will
   // come from there. Doing it this way for now (2011/5/12) to try to fail
   // fast in case A/B experiment gives unexpected results.
-  net::URLRequestThrottlerManager::GetInstance()->set_net_log(net_log);
+  manager->set_net_log(net_log);
 }
 
 // Returns the new local state object, guaranteed non-NULL.
@@ -1334,7 +1344,8 @@ int ChromeBrowserMainParts::PreCreateThreadsImpl() {
 #endif
 
   InitializeNetworkOptions(parsed_command_line());
-  InitializeURLRequestThrottlerManager(browser_process_->net_log());
+  InitializeURLRequestThrottlerManager(parsed_command_line(),
+                                       browser_process_->net_log());
 
   // Initialize histogram synchronizer system. This is a singleton and is used
   // for posting tasks via base::Bind. Its deleted when it goes out of scope.