From 5ac85ccabbaa02623152f140b9233c6cefcf3b77 Mon Sep 17 00:00:00 2001
From: Patrick Scott <phanna@android.com>
Date: Thu, 11 Mar 2010 09:00:08 -0500
Subject: [PATCH] Do not send the not-modified response when validating the
 cache.

Bug: 2450517
Change-Id: Ibdff4c4b573bb63ac5de94ec7277241bb0242203
---
 core/java/android/webkit/LoadListener.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/core/java/android/webkit/LoadListener.java b/core/java/android/webkit/LoadListener.java
index 7da99cad9a663..4bdab0a59bd9e 100644
--- a/core/java/android/webkit/LoadListener.java
+++ b/core/java/android/webkit/LoadListener.java
@@ -1014,8 +1014,12 @@ class LoadListener extends Handler implements EventHandler {
 
         // do not call webcore if it is redirect. According to the code in
         // InspectorController::willSendRequest(), the response is only updated
-        // when it is not redirect.
-        if ((mStatusCode >= 301 && mStatusCode <= 303) || mStatusCode == 307) {
+        // when it is not redirect. If we received a not-modified response from
+        // the server and mCacheLoader is not null, do not send the response to
+        // webkit. This is just a validation response for loading from the
+        // cache.
+        if ((mStatusCode >= 301 && mStatusCode <= 303) || mStatusCode == 307 ||
+                (mStatusCode == 304 && mCacheLoader != null)) {
             return;
         }