Implement chromium.self in content scripts, fix bugs

chrome/renderer/resources/extension_process_bindings.js

Index: chrome/renderer/resources/extension_process_bindings.js
diff --git a/chrome/renderer/resources/extension_process_bindings.js b/chrome/renderer/resources/extension_process_bindings.js
index b109a764d9189b96d047cefeb9cb884cede65db8..221f3fd8413f3f32b1944cea20b1191ce04f9518 100644
--- a/chrome/renderer/resources/extension_process_bindings.js
+++ b/chrome/renderer/resources/extension_process_bindings.js
@@ -9,9 +9,9 @@ var chromium;
     // We shouldn't be receiving evil JSON unless the browser is owned, but just
     // to be safe, we sanitize it. This regex mania was borrowed from json2,
     // from json.org.
-    if (!/^[\],:{}\s]*$/.test(
-      str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
-          replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
+    if (!/^[\],:{}\s]*$/.test(
+      str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
+          replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
           replace(/(?:^|:|,)(?:\s*\[)+/g, '')))
       throw new Error("Unexpected characters in incoming JSON response.");