[Android] Implement WebSettings.setAppCache{Enabled|Path}

android_webview/javatests/src/org/chromium/android_webview/test/util/CommonResources.java

Index: android_webview/javatests/src/org/chromium/android_webview/test/util/CommonResources.java
diff --git a/android_webview/javatests/src/org/chromium/android_webview/test/util/CommonResources.java b/android_webview/javatests/src/org/chromium/android_webview/test/util/CommonResources.java
index 421f5da6f731038c6ff0852b5a6844cdd754b764..293d86eac8d5ccc165d7f113f1eea3b80988b231 100644
--- a/android_webview/javatests/src/org/chromium/android_webview/test/util/CommonResources.java
+++ b/android_webview/javatests/src/org/chromium/android_webview/test/util/CommonResources.java
@@ -13,24 +13,23 @@ public class CommonResources {
 
     // Content-type headers used for HTML code.
     public static List<Pair<String, String>> getTextHtmlHeaders(boolean disableCache) {
-        List<Pair<String, String>> headers = new ArrayList<Pair<String, String>>();
-        headers.add(Pair.create("Content-Type", "text/html"));
-        if (disableCache) headers.add(Pair.create("Cache-Control", "no-store"));
-        return headers;
+        return getContentTypeAndCacheHeaders("text/html", disableCache);
     }
 
     // Content-type headers used for javascript code.
     public static List<Pair<String, String>> getTextJavascriptHeaders(boolean disableCache) {
-        List<Pair<String, String>> headers = new ArrayList<Pair<String, String>>();
-        headers.add(Pair.create("Content-Type", "text/javascript"));
-        if (disableCache) headers.add(Pair.create("Cache-Control", "no-store"));
-        return headers;
+        return getContentTypeAndCacheHeaders("text/javascript", disableCache);
     }
 
     // Content-type headers used for png images.
     public static List<Pair<String, String>> getImagePngHeaders(boolean disableCache) {
+        return getContentTypeAndCacheHeaders("image/png", disableCache);
+    }
+
+    public static List<Pair<String, String>> getContentTypeAndCacheHeaders(
+            String contentType, boolean disableCache) {
         List<Pair<String, String>> headers = new ArrayList<Pair<String, String>>();
-        headers.add(Pair.create("Content-Type", "image/png"));
+        headers.add(Pair.create("Content-Type", contentType));
         if (disableCache) headers.add(Pair.create("Cache-Control", "no-store"));
         return headers;
     }