TestInterfaces to chromium c++ style, rename methods and remove un-used header.

content/shell/renderer/test_runner/web_frame_test_proxy.h

Index: content/shell/renderer/test_runner/web_frame_test_proxy.h
diff --git a/content/shell/renderer/test_runner/web_frame_test_proxy.h b/content/shell/renderer/test_runner/web_frame_test_proxy.h
index a280199c46eb452711b3e9602e70f43c438f8fd9..1a75dd4e1d3036e00beb53320f2846b64a045e6a 100644
--- a/content/shell/renderer/test_runner/web_frame_test_proxy.h
+++ b/content/shell/renderer/test_runner/web_frame_test_proxy.h
@@ -6,9 +6,9 @@
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_WEB_FRAME_TEST_PROXY_H_
 
 #include "base/basictypes.h"
-#include "content/shell/renderer/test_runner/TestInterfaces.h"
 #include "content/shell/renderer/test_runner/WebTestDelegate.h"
 #include "content/shell/renderer/test_runner/mock_screen_orientation_client.h"
+#include "content/shell/renderer/test_runner/test_interfaces.h"
 #include "content/shell/renderer/test_runner/test_runner.h"
 #include "content/shell/renderer/test_runner/web_test_proxy.h"
 #include "content/test/test_media_stream_renderer_factory.h"
@@ -169,7 +169,7 @@ class WebFrameTestProxy : public Base {
                                           const blink::WebString& message) {
     base_proxy_->delegate_->printMessage(std::string("CONFIRM NAVIGATION: ") +
                                          message.utf8().data() + "\n");
-    return !base_proxy_->test_interfaces_->testRunner()
+    return !base_proxy_->test_interfaces_->GetTestRunner()
                 ->shouldStayOnPageAfterHandlingBeforeUnload();
   }