Move mixed content settings histograms into browser

content/browser/frame_host/render_frame_host_delegate.h

Index: content/browser/frame_host/render_frame_host_delegate.h
diff --git a/content/browser/frame_host/render_frame_host_delegate.h b/content/browser/frame_host/render_frame_host_delegate.h
index ee5aae52bda611ff4eff5537c44a373a427dae52..2725aab1168f52a573d8789dc15a8e26570830cb 100644
--- a/content/browser/frame_host/render_frame_host_delegate.h
+++ b/content/browser/frame_host/render_frame_host_delegate.h
@@ -179,6 +179,13 @@ class CONTENT_EXPORT RenderFrameHostDelegate {
   // applies, returns null.
   virtual scoped_ptr<WebUIImpl> CreateWebUIForRenderFrameHost(const GURL& url);
 
+  virtual void TriedDisplayingInsecureContent(RenderFrameHost* rfh,
+                                              const GURL& origin,
+                                              const GURL& url) {}
+  virtual void TriedRunningInsecureContent(RenderFrameHost* rfh,
+                                           const GURL& origin,
+                                           const GURL& url) {}
+
 #if defined(OS_WIN)
   // Returns the frame's parent's NativeViewAccessible.
   virtual gfx::NativeViewAccessible GetParentNativeViewAccessible();