win/clang: Lame workaround for a compiler bug.

chrome/browser/ui/browser_browsertest.cc

Index: chrome/browser/ui/browser_browsertest.cc
diff --git a/chrome/browser/ui/browser_browsertest.cc b/chrome/browser/ui/browser_browsertest.cc
index d08ac09146084eefa5b73b2e7745dd80f11fd811..e6973466e3b8964614ba9af15415c523b3bc4187 100644
--- a/chrome/browser/ui/browser_browsertest.cc
+++ b/chrome/browser/ui/browser_browsertest.cc
@@ -3120,7 +3120,9 @@ class URLRequestNonsecureConnection : public net::URLRequestMockHTTPJob {
 
 class BrowserTestNonsecureURLRequest : public BrowserTest {
  public:
-  BrowserTestNonsecureURLRequest() : BrowserTest() {}
+  // TODO(thakis): Add back the `: BrowserTest()` once
+  // http://llvm.org/PR25370 is fixed, http://crbug.com/549765
+  BrowserTestNonsecureURLRequest() /* : BrowserTest() */ {}
   void SetUpOnMainThread() override {
     base::FilePath root_http;
     PathService::Get(chrome::DIR_TEST_DATA, &root_http);