Enable QUIC for proxies based on Finch config and command line switch.

chrome/browser/profiles/profile_impl_io_data.cc

Index: chrome/browser/profiles/profile_impl_io_data.cc
diff --git a/chrome/browser/profiles/profile_impl_io_data.cc b/chrome/browser/profiles/profile_impl_io_data.cc
index e2cb0ec4ef3e10a0c01acdce32227b3e2d5591a7..c029f329c26dadfb397d45380bab23c3b08a049a 100644
--- a/chrome/browser/profiles/profile_impl_io_data.cc
+++ b/chrome/browser/profiles/profile_impl_io_data.cc
@@ -184,6 +184,15 @@ void ProfileImplIOData::Handle::Init(
                                      profile_->GetPrefs(),
                                      g_browser_process->local_state(),
                                      profile_->GetRequestContext());
+
+  const base::CommandLine& command_line =
+      *base::CommandLine::ForCurrentProcess();
+  bool quic_enabled_for_proxies =
+      IOThread::ShouldEnableQuicForProxies(command_line,
+                                           IOThread::QuicTrialGroup());

[mmenke, 2015/02/12 18:10:45]

Calling IOThread methods on the UI threads, even static ones, is pretty hideous.

I don't suppose we could just check globals->enable_quic_for_proxies on the IO
thread and pass it to the DRP stuff there?

[tbansal1, 2015/02/13 17:10:40]

Fixed, now calling it on IO thread.

+
+  DataReductionProxyChromeSettingsFactory::GetForBrowserContext(profile_)->
+      EnableQuic(quic_enabled_for_proxies);
 }
 
 content::ResourceContext*