(Original patch reviewed at http://codereview.chromium.org/2067003 )...

chrome/browser/tab_contents/navigation_entry.h

Index: chrome/browser/tab_contents/navigation_entry.h
===================================================================
--- chrome/browser/tab_contents/navigation_entry.h	(revision 47323)
+++ chrome/browser/tab_contents/navigation_entry.h	(working copy)
@@ -37,8 +37,17 @@
    public:
     // Flags used for the page security content status.
     enum ContentStatusFlags {
-      NORMAL_CONTENT = 0,       // No mixed content.
-      MIXED_CONTENT  = 1 << 0,  // https page containing http resources.
+      // HTTP page, or HTTPS page with no insecure content.
+      NORMAL_CONTENT          = 0,
+
+      // HTTPS page containing "displayed" HTTP resources (e.g. images, CSS).
+      DISPLAYED_MIXED_CONTENT = 1 << 0,
+
+      // HTTPS page containing "executed" HTTP resources (i.e. script).
+      // Also currently used for HTTPS page containing broken-HTTPS resources;
+      // this is wrong and should be fixed (see comments in
+      // SSLPolicy::OnRequestStarted()).
+      RAN_MIXED_CONTENT       = 1 << 1,
     };
 
     SSLStatus();
@@ -79,15 +88,20 @@
       return security_bits_;
     }
 
-    // Mixed content means that this page which is served over https contains
-    // http sub-resources.
-    void set_has_mixed_content() {
-      content_status_ |= MIXED_CONTENT;
+    void set_displayed_mixed_content() {
+      content_status_ |= DISPLAYED_MIXED_CONTENT;
     }
-    bool has_mixed_content() const {
-      return (content_status_ & MIXED_CONTENT) != 0;
+    bool displayed_mixed_content() const {
+      return (content_status_ & DISPLAYED_MIXED_CONTENT) != 0;
     }
 
+    void set_ran_mixed_content() {
+      content_status_ |= RAN_MIXED_CONTENT;
+    }
+    bool ran_mixed_content() const {
+      return (content_status_ & RAN_MIXED_CONTENT) != 0;
+    }
+
     // Raw accessors for all the content status flags. This contains a
     // combination of any of the ContentStatusFlags defined above. It is used
     // by some tests for checking and for certain copying. Use the per-status