Enable CSP on more WebUI pages

chrome/browser/ui/webui/ntp/new_tab_ui.h

Index: chrome/browser/ui/webui/ntp/new_tab_ui.h
diff --git a/chrome/browser/ui/webui/ntp/new_tab_ui.h b/chrome/browser/ui/webui/ntp/new_tab_ui.h
index 9124574be5ecdd2d144ce211f89b4d440f15c84b..639839b1a0df3562a63bbd71ed85a0fede9ff60b 100644
--- a/chrome/browser/ui/webui/ntp/new_tab_ui.h
+++ b/chrome/browser/ui/webui/ntp/new_tab_ui.h
@@ -68,7 +68,8 @@ class NewTabUI : public content::WebUIController {
         const content::URLDataSource::GotDataCallback& callback) override;
     std::string GetMimeType(const std::string&) const override;
     bool ShouldReplaceExistingSource() const override;
-    bool ShouldAddContentSecurityPolicy() const override;
+    std::string GetContentSecurityPolicyScriptSrc() const override;
+    std::string GetContentSecurityPolicyObjectSrc() const override;
 
     // Adds |resource| to the source. |resource_id| is resource id or 0,
     // which means return empty data set. |mime_type| is mime type of the