SSL-related cleanup in BrowserFrame and SslCertLookupTable

- Fix a comment in BrowserFrame.certificate()
- Simplify SslCertLookupTable by not storing 'deny' decisions.
  We only need to store 'allow' decisions, as we don't re-use 'deny' decisions.

No change in behaviour.

Bug: 5409251
Change-Id: I447cd1966fbb6c2dea8088b2e4c4e2de22405cb9

Author: Steve Block

core/java/android/webkit/BrowserFrame.java

@@ -471,8 +471,6 @@ private void loadFinished(String url, int loadType, boolean isMainFrame) {
 
     /**
      * We have received an SSL certificate for the main top-level page.
-     *
-     * !!!Called from the network thread!!!
      */
     void certificate(SslCertificate certificate) {
         if (mIsMainFrame) {
@@ -1186,12 +1184,11 @@ private void reportSslCertError(final int handle, final int certError, byte cert
         SslErrorHandler handler = new SslErrorHandler() {
             @Override
             public void proceed() {
-                SslCertLookupTable.getInstance().setIsAllowed(sslError, true);
+                SslCertLookupTable.getInstance().setIsAllowed(sslError);
                 nativeSslCertErrorProceed(handle);
             }
             @Override
             public void cancel() {
-                SslCertLookupTable.getInstance().setIsAllowed(sslError, false);
                 nativeSslCertErrorCancel(handle, certError);
             }
         };

core/java/android/webkit/SslCertLookupTable.java

@@ -25,7 +25,8 @@
 /**
  * Stores the user's decision of whether to allow or deny an invalid certificate.
  *
- * This class is not threadsafe. It is used only on the WebCore thread.
+ * This class is not threadsafe. It is used only on the WebCore thread. Also, it
+ * is used only by the Chromium HTTP stack.
  */
 final class SslCertLookupTable {
     private static SslCertLookupTable sTable;
@@ -42,11 +43,11 @@ private SslCertLookupTable() {
         table = new Bundle();
     }
 
-    public void setIsAllowed(SslError sslError, boolean allow) {
+    public void setIsAllowed(SslError sslError) {
         // TODO: We should key on just the host. See http://b/5409251.
         String errorString = sslErrorToString(sslError);
         if (errorString != null) {
-            table.putBoolean(errorString, allow);
+            table.putBoolean(errorString, true);
         }
     }