diff --git a/accessible/src/base/Logging.cpp b/accessible/src/base/Logging.cpp
index 4e2e321ce8ca..0e5b79629abc 100644
--- a/accessible/src/base/Logging.cpp
+++ b/accessible/src/base/Logging.cpp
@@ -264,6 +264,9 @@ LogShellLoadType(nsIDocShell* aDocShell)
     case LOAD_NORMAL_BYPASS_PROXY_AND_CACHE:
       printf("normal bypass proxy and cache; ");
       break;
+    case LOAD_NORMAL_ALLOW_MIXED_CONTENT:
+      printf("normal allow mixed content; ");
+      break;
     case LOAD_RELOAD_NORMAL:
       printf("reload normal; ");
       break;
diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index c8619d8cc56a..9bbc8fc9e69f 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -649,6 +649,7 @@ ConvertLoadTypeToNavigationType(uint32_t aLoadType)
     case LOAD_NORMAL_BYPASS_PROXY:
     case LOAD_NORMAL_BYPASS_PROXY_AND_CACHE:
     case LOAD_NORMAL_REPLACE:
+    case LOAD_NORMAL_ALLOW_MIXED_CONTENT:
     case LOAD_LINK:
     case LOAD_STOP_CONTENT:
     case LOAD_REPLACE_BYPASS_CACHE:
@@ -1111,6 +1112,9 @@ ConvertDocShellLoadInfoToLoadType(nsDocShellInfoLoadType aDocShellLoadType)
     case nsIDocShellLoadInfo::loadNormalBypassProxyAndCache:
         loadType = LOAD_NORMAL_BYPASS_PROXY_AND_CACHE;
         break;
+    case nsIDocShellLoadInfo::loadNormalAllowMixedContent:
+        loadType = LOAD_NORMAL_ALLOW_MIXED_CONTENT;
+        break;
     case nsIDocShellLoadInfo::loadReloadNormal:
         loadType = LOAD_RELOAD_NORMAL;
         break;
@@ -1181,6 +1185,9 @@ nsDocShell::ConvertLoadTypeToDocShellLoadInfo(uint32_t aLoadType)
     case LOAD_NORMAL_BYPASS_PROXY_AND_CACHE:
         docShellLoadType = nsIDocShellLoadInfo::loadNormalBypassProxyAndCache;
         break;
+    case LOAD_NORMAL_ALLOW_MIXED_CONTENT:
+        docShellLoadType = nsIDocShellLoadInfo::loadNormalAllowMixedContent;
+        break;
     case LOAD_HISTORY:
         docShellLoadType = nsIDocShellLoadInfo::loadHistory;
         break;
@@ -4174,8 +4181,18 @@ nsDocShell::LoadURI(const PRUnichar * aURI,
     nsCOMPtr<nsIDocShellLoadInfo> loadInfo;
     rv = CreateLoadInfo(getter_AddRefs(loadInfo));
     if (NS_FAILED(rv)) return rv;
-    
-    uint32_t loadType = MAKE_LOAD_TYPE(LOAD_NORMAL, aLoadFlags);
+
+    /*
+     * If the user "Disables Protection on This Page", we have to make sure to
+     * remember the users decision when opening links in child tabs [Bug 906190]
+     */
+    uint32_t loadType;
+    if (aLoadFlags & LOAD_FLAGS_ALLOW_MIXED_CONTENT) {
+      loadType = MAKE_LOAD_TYPE(LOAD_NORMAL_ALLOW_MIXED_CONTENT, aLoadFlags);
+    } else {
+      loadType = MAKE_LOAD_TYPE(LOAD_NORMAL, aLoadFlags);
+    }
+
     loadInfo->SetLoadType(ConvertLoadTypeToDocShellLoadInfo(loadType));
     loadInfo->SetPostDataStream(postStream);
     loadInfo->SetReferrer(aReferringURI);
@@ -9664,7 +9681,8 @@ nsDocShell::DoURILoad(nsIURI * aURI,
         }
     }
 
-    if (mLoadType == LOAD_RELOAD_ALLOW_MIXED_CONTENT) {
+    if (mLoadType == LOAD_NORMAL_ALLOW_MIXED_CONTENT ||
+        mLoadType == LOAD_RELOAD_ALLOW_MIXED_CONTENT) {
           rv = SetMixedContentChannel(channel);
           NS_ENSURE_SUCCESS(rv, rv);
     } else if (mMixedContentChannel) {
@@ -9946,6 +9964,7 @@ nsresult nsDocShell::DoChannelLoad(nsIChannel * aChannel,
     case LOAD_NORMAL_BYPASS_CACHE:
     case LOAD_NORMAL_BYPASS_PROXY:
     case LOAD_NORMAL_BYPASS_PROXY_AND_CACHE:
+    case LOAD_NORMAL_ALLOW_MIXED_CONTENT:
     case LOAD_RELOAD_BYPASS_CACHE:
     case LOAD_RELOAD_BYPASS_PROXY:
     case LOAD_RELOAD_BYPASS_PROXY_AND_CACHE:
diff --git a/docshell/base/nsDocShell.h b/docshell/base/nsDocShell.h
index a59eee084aa2..a5a7d73a3823 100644
--- a/docshell/base/nsDocShell.h
+++ b/docshell/base/nsDocShell.h
@@ -733,7 +733,8 @@ protected:
     nsCOMPtr<nsIChannel>       mFailedChannel;
     uint32_t                   mFailedLoadType;
 
-    // Set in DoURILoad when the LOAD_RELOAD_ALLOW_MIXED_CONTENT flag is set.
+    // Set in DoURILoad when either the LOAD_RELOAD_ALLOW_MIXED_CONTENT flag or
+    // the LOAD_NORMAL_ALLOW_MIXED_CONTENT flag is set.
     // Checked in nsMixedContentBlocker, to see if the channels match.
     nsCOMPtr<nsIChannel>       mMixedContentChannel;
 
diff --git a/docshell/base/nsDocShellLoadTypes.h b/docshell/base/nsDocShellLoadTypes.h
index 2cedaa734f7a..84dd3a451186 100644
--- a/docshell/base/nsDocShellLoadTypes.h
+++ b/docshell/base/nsDocShellLoadTypes.h
@@ -48,6 +48,7 @@ enum LoadType {
     LOAD_NORMAL_BYPASS_CACHE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE),
     LOAD_NORMAL_BYPASS_PROXY = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY),
     LOAD_NORMAL_BYPASS_PROXY_AND_CACHE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE | nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY),
+    LOAD_NORMAL_ALLOW_MIXED_CONTENT = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_NORMAL, nsIWebNavigation::LOAD_FLAGS_ALLOW_MIXED_CONTENT | nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE),
     LOAD_RELOAD_NORMAL = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_NONE),
     LOAD_RELOAD_BYPASS_CACHE = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_CACHE),
     LOAD_RELOAD_BYPASS_PROXY = MAKE_LOAD_TYPE(nsIDocShell::LOAD_CMD_RELOAD, nsIWebNavigation::LOAD_FLAGS_BYPASS_PROXY),
@@ -80,6 +81,7 @@ static inline bool IsValidLoadType(uint32_t aLoadType)
     case LOAD_NORMAL_BYPASS_CACHE:
     case LOAD_NORMAL_BYPASS_PROXY:
     case LOAD_NORMAL_BYPASS_PROXY_AND_CACHE:
+    case LOAD_NORMAL_ALLOW_MIXED_CONTENT:
     case LOAD_HISTORY:
     case LOAD_RELOAD_NORMAL:
     case LOAD_RELOAD_BYPASS_CACHE:
diff --git a/docshell/base/nsIDocShellLoadInfo.idl b/docshell/base/nsIDocShellLoadInfo.idl
index 5de5d492217b..735ec07f07d4 100644
--- a/docshell/base/nsIDocShellLoadInfo.idl
+++ b/docshell/base/nsIDocShellLoadInfo.idl
@@ -62,6 +62,7 @@ interface nsIDocShellLoadInfo : nsISupports
     const long loadPushState = 17;                 // history.pushState or replaceState
     const long loadReplaceBypassCache = 18;
     const long loadReloadMixedContent = 19;
+    const long loadNormalAllowMixedContent = 20;
 
     /** Contains a load type as specified by the load* constants */
     attribute nsDocShellInfoLoadType loadType;