Move Requirements out of Extension Class

chrome/browser/extensions/api/usb/usb_apitest.cc

Index: chrome/browser/extensions/api/usb/usb_apitest.cc
diff --git a/chrome/browser/extensions/api/usb/usb_apitest.cc b/chrome/browser/extensions/api/usb/usb_apitest.cc
index 18ed3dd1919aba5a34d6b787dc764c6016c0d5b7..2539cf1d4fba1dd54848c2f2faae95c62d918cbe 100644
--- a/chrome/browser/extensions/api/usb/usb_apitest.cc
+++ b/chrome/browser/extensions/api/usb/usb_apitest.cc
@@ -14,6 +14,8 @@
 using testing::AnyNumber;
 using testing::_;
 
+namespace extensions {
+
 namespace {
 
 ACTION_TEMPLATE(InvokeUsbTransferCallback,
@@ -69,8 +71,9 @@ class UsbApiTest : public ExtensionApiTest {
   }
 
   virtual void SetUpOnMainThread() OVERRIDE {
+    ExtensionApiTest::SetUpOnMainThread();
     mock_device_ = new MockUsbDevice();
-    extensions::UsbFindDevicesFunction::SetDeviceForTest(mock_device_.get());
+    UsbFindDevicesFunction::SetDeviceForTest(mock_device_.get());
   }
 
  protected:
@@ -123,3 +126,4 @@ IN_PROC_BROWSER_TEST_F(UsbApiTest, InvalidLengthTransfer) {
   ASSERT_TRUE(RunExtensionTest("usb/invalid_length_transfer"));
 }
 
+}  // namespace extensions