Add mixed content warning to the Page Info bubble....

chrome/browser/page_info_model.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_PAGE_INFO_MODEL_H_
 #define CHROME_BROWSER_PAGE_INFO_MODEL_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 17 matching lines @@
    protected:
     virtual ~PageInfoModelObserver() {}
   };
 
   enum SectionInfoType {
     SECTION_INFO_IDENTITY = 0,
     SECTION_INFO_CONNECTION,
     SECTION_INFO_FIRST_VISIT,
   };
 
+  enum SectionInfoState {
+    SECTION_STATE_OK = 0,
+    // If state is OK but contains mixed content.
+    SECTION_STATE_WARNING,
+    // For example, unverified identity over HTTPS.
+    SECTION_STATE_ERROR,
+  };
+
   struct SectionInfo {
-    SectionInfo(bool state,
+    SectionInfo(SectionInfoState state,
                 const string16& title,
                 const string16& headline,
                 const string16& description,
                 SectionInfoType type)
         : state(state),
           title(title),
           headline(headline),
           description(description),
           type(type) {
     }
 
-    bool state;  // True if state is OK, false otherwise (ex of bad states:
-                 // unverified identity over HTTPS).
+    // The overall state of the connection (error, warning, ok).
+    SectionInfoState state;
 
     // The title of the section.
     string16 title;
 
     // A single line describing the section, optional.
     string16 headline;
 
     // The full description of what this section is.
     string16 description;
 
@@ skipping 28 matching lines @@
   std::vector<SectionInfo> sections_;
 
   // Used to request number of visits.
   CancelableRequestConsumer request_consumer_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PageInfoModel);
 };
 
 #endif  // CHROME_BROWSER_PAGE_INFO_MODEL_H_