test_runner: Move everything else into content namespace.

content/shell/renderer/test_runner/WebTestInterfaces.h

Index: content/shell/renderer/test_runner/WebTestInterfaces.h
diff --git a/content/shell/renderer/test_runner/WebTestInterfaces.h b/content/shell/renderer/test_runner/WebTestInterfaces.h
index cfcc146fb17f4774127f93d820af48ed133776ef..83764d4751791b24b60d431acf66dad419063789 100644
--- a/content/shell/renderer/test_runner/WebTestInterfaces.h
+++ b/content/shell/renderer/test_runner/WebTestInterfaces.h
@@ -22,13 +22,10 @@ class WebView;
 }
 
 namespace content {
-class WebTestProxyBase;
-}
-
-namespace WebTestRunner {
 
 class TestInterfaces;
 class WebTestDelegate;
+class WebTestProxyBase;
 class WebTestRunner;
 
 class WebTestInterfaces {
@@ -36,7 +33,7 @@ public:
     WebTestInterfaces();
     ~WebTestInterfaces();
 
-    void setWebView(blink::WebView*, content::WebTestProxyBase*);
+    void setWebView(blink::WebView*, WebTestProxyBase*);
     void setDelegate(WebTestDelegate*);
     void bindTo(blink::WebFrame*);
     void resetAll();
@@ -59,6 +56,6 @@ private:
     scoped_ptr<TestInterfaces> m_interfaces;
 };
 
-}
+}  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_WEBTESTINTERFACES_H_