Revert of Refactor connection_security into SecurityStateModel

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarModel.java

Index: chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarModel.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarModel.java b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarModel.java
index ed3dc097cba1d46d037ddbf83f824463978c2fab..1e2d156e7e3bcb0e70db568c060e5d82c2c5d3a8 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarModel.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarModel.java
@@ -24,6 +24,15 @@
     }
 
     private long mNativeToolbarModelAndroid;
+
+    /**
+     * @param webContents The web contents to query for deprecated SHA-1 presence.
+     * @return Whether the security level of the page was deprecated due to SHA-1.
+     */
+    public static boolean isDeprecatedSHA1Present(WebContents webContents) {
+        if (webContents == null) return false;
+        return nativeIsDeprecatedSHA1Present(webContents);
+    }
 
     /**
      * Initialize the native counterpart of this model.
@@ -60,6 +69,8 @@
         return nativeWouldReplaceURL(mNativeToolbarModelAndroid);
     }
 
+    private static native boolean nativeIsDeprecatedSHA1Present(WebContents webContents);
+
     private native long nativeInit(ToolbarModelDelegate delegate);
     private native void nativeDestroy(long nativeToolbarModelAndroid);
     private native String nativeGetText(long nativeToolbarModelAndroid);