Add browser polyfill, almost working

Not sure how to work past the fact that it seems Chrome is not
respecting the unlimitedStorage manifest permission. If I can't store
decompressed filters, the Chrome port is a dead-end.

Author: jstrieb

Makefile

@@ -52,6 +52,8 @@ EXTENSION_FILES = manifest.json \
 									bloom.wasm \
 									bloom-wrap.js \
 									add-latest.js \
+									browser-polyfill.js \
+									browser-polyfill.js.map \
 									icons
 
 hackernews-button.zip: $(EXTENSION_FILES)
@@ -84,6 +86,12 @@ browser-polyfill.js.map:
 		--output "$@" \
 		"https://unpkg.com/webextension-polyfill@0.7.0/dist/browser-polyfill.js.map"
 
+.PHONY: chrome-debug
+chrome-debug: hackernews-button.zip
+	mkdir -p ../hn-discussion-chrome
+	rm -rf ../hn-discussion-chrome/*
+	unzip $^ -d ../hn-discussion-chrome/
+
 
 
 ################################################################################

background.html

@@ -4,8 +4,10 @@
   <meta charset="utf-8">
   <!--
     NOTE: bloom-wrap.js must come before bloom.js, and both must come before
-    background.js!
+    background.js! The polyfill must come first, before any calls to the
+    "browser" api are made.
   -->
+  <script type="text/javascript" src="browser-polyfill.js"></script>
   <script type="text/javascript" src="bloom-wrap.js"></script>
   <script async type="text/javascript" src="bloom.js"></script>
   <script type="text/javascript" src="background.js"></script>

manifest.json

@@ -58,6 +58,7 @@
       "*://news.ycombinator.com/*"
     ],
     "js": [
+      "browser-polyfill.js",
       "add-latest.js"
     ]
   }],