test_runner: Move everything else into content namespace.

content/shell/common/webkit_test_helpers.h

Index: content/shell/common/webkit_test_helpers.h
diff --git a/content/shell/common/webkit_test_helpers.h b/content/shell/common/webkit_test_helpers.h
index ffdbb2de2e5ca394d3fb4382c23ac294534ea3e8..08f3e690bf650a2ae67412f44f04259cff510477 100644
--- a/content/shell/common/webkit_test_helpers.h
+++ b/content/shell/common/webkit_test_helpers.h
@@ -20,12 +20,11 @@ namespace content {
 
 struct TestPreferences;
 
-// The TestRunner library keeps its settings in a WebTestRunner::WebPreferenes
-// object. The content_shell, however, uses WebPreferences. This
-// method exports the settings from the WebTestRunner library which are relevant
-// for layout tests.
-void ExportLayoutTestSpecificPreferences(
-    const TestPreferences& from, WebPreferences* to);
+// The TestRunner library keeps its settings in a WebPreferenes object.
+// The content_shell, however, uses WebPreferences. This method exports the
+// settings from the WebTestRunner library which are relevant for layout tests.
+void ExportLayoutTestSpecificPreferences(const TestPreferences& from,
+                                         WebPreferences* to);
 
 // Applies settings that differ between layout tests and regular mode.
 void ApplyLayoutTestDefaultPreferences(WebPreferences* prefs);