Move TestExtraData classes to anonymous namespace.

third_party/WebKit/Source/web/tests/WebURLRequestTest.cpp

Index: third_party/WebKit/Source/web/tests/WebURLRequestTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebURLRequestTest.cpp b/third_party/WebKit/Source/web/tests/WebURLRequestTest.cpp
index 388d5a9dbb0a4ada19f77ebd3cc1856924f2068b..8e4ab333212caba04c85bd2d6ba43c0919869537 100644
--- a/third_party/WebKit/Source/web/tests/WebURLRequestTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebURLRequestTest.cpp
@@ -34,6 +34,8 @@
 
 namespace blink {
 
+namespace {
+
 class TestExtraData : public WebURLRequest::ExtraData {
 public:
     explicit TestExtraData(bool* alive)
@@ -48,6 +50,8 @@ private:
     bool* m_alive;
 };
 
+} // anonymous namespace
+
 TEST(WebURLRequestTest, ExtraData)
 {
     bool alive = false;