Avoid cross-origin iframe issues when loading PDF in print preview

chrome/browser/resources/pdf/manifest.json

Index: chrome/browser/resources/pdf/manifest.json
diff --git a/chrome/browser/resources/pdf/manifest.json b/chrome/browser/resources/pdf/manifest.json
index 8c44ec21b43756064f1c5a3bbdcf819e5ee551ad..93341c26c042775c73c2aa1669f0c92f5c545f12 100644
--- a/chrome/browser/resources/pdf/manifest.json
+++ b/chrome/browser/resources/pdf/manifest.json
@@ -14,18 +14,13 @@
     "application/pdf"
   ],
   "content_security_policy": "script-src 'self' blob: filesystem: chrome://resources; object-src *; plugin-types application/x-google-chrome-pdf",
-  // This is to work-around an issue where this extension is not granted
-  // permission to access chrome://resources when iframed for print preview.
-  // See https://crbug.com/444752.
-  "content_scripts": [
-    {
-      "matches": ["chrome://print/*"],
-      "js": ["content_script.js"]
-    }
-  ],
   "mime_types_handler": "<INDEX>",
   "web_accessible_resources": [
     "index.html",
-    "<INDEX>"
+    "<INDEX>",
+    "*.js",
+    "*.html",

[Charlie Reis, 2015/07/16 19:25:03]

Why do you need both this and index.html?

[raymes, 2015/07/17 01:58:29]

Good point, we actually don't now. Done.

+    "*.css",
+    "*.png"
   ]
 }