Move mixed content settings histograms into browser

content/browser/frame_host/render_frame_proxy_host.cc

Index: content/browser/frame_host/render_frame_proxy_host.cc
diff --git a/content/browser/frame_host/render_frame_proxy_host.cc b/content/browser/frame_host/render_frame_proxy_host.cc
index 49bcfc9093a7b05aacb769e20374a84c02cd980d..eb70e740b24477aacd1d03dae3d126ae7e28922e 100644
--- a/content/browser/frame_host/render_frame_proxy_host.cc
+++ b/content/browser/frame_host/render_frame_proxy_host.cc
@@ -150,6 +150,10 @@ bool RenderFrameProxyHost::OnMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidChangeOpener, OnDidChangeOpener)
     IPC_MESSAGE_HANDLER(FrameHostMsg_AdvanceFocus, OnAdvanceFocus)
     IPC_MESSAGE_HANDLER(FrameHostMsg_FrameFocused, OnFrameFocused)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_TriedDisplayingInsecureContent,
+                        OnTriedDisplayingInsecureContent)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_TriedRunningInsecureContent,
+                        OnTriedRunningInsecureContent)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -359,4 +363,16 @@ void RenderFrameProxyHost::OnFrameFocused() {
                                                   GetSiteInstance());
 }
 
+void RenderFrameProxyHost::OnTriedDisplayingInsecureContent(const GURL& origin,
+                                                            const GURL& url) {
+  frame_tree_node_->current_frame_host()->OnTriedDisplayingInsecureContent(

[alexmos, 2016/01/09 01:39:02]

Instead of referencing IPC handlers directly and making them public, I think you
could just call into the WebContents directly via
frame_tree_node_->current_frame_host()->delegate()->TriedDisplayingInsecureContent()

+      origin, url);
+}
+
+void RenderFrameProxyHost::OnTriedRunningInsecureContent(const GURL& origin,
+                                                         const GURL& url) {
+  frame_tree_node_->current_frame_host()->OnTriedRunningInsecureContent(origin,
+                                                                        url);
+}
+
 }  // namespace content