[docs] better links in devtools api docs

chrome/common/extensions/api/debugger.json

Index: chrome/common/extensions/api/debugger.json
diff --git a/chrome/common/extensions/api/debugger.json b/chrome/common/extensions/api/debugger.json
index c7a41fd8c9d0fc1b46fc619908bf52a922935a78..b08635ee5b6246ab4be52b1f917a26986463bf98 100644
--- a/chrome/common/extensions/api/debugger.json
+++ b/chrome/common/extensions/api/debugger.json
@@ -5,7 +5,7 @@
 [
   {
     "namespace": "debugger",
-    "description": "The <code>chrome.debugger</code> API serves as an alternate transport for Chrome's <a href='http://code.google.com/chrome/devtools/docs/remote-debugging'>remote debugging protocol</a>. Use <code>chrome.debugger</code> to attach to one or more tabs to instrument network interaction, debug JavaScript, mutate the DOM and CSS, etc. Use the Debuggee <code>tabId</code> to target tabs with sendCommand and route events by <code>tabId</code> from onEvent callbacks.",
+    "description": "The <code>chrome.debugger</code> API serves as an alternate transport for Chrome's <a href='https://developer.chrome.com/devtools/docs/debugger-protocol'>remote debugging protocol</a>. Use <code>chrome.debugger</code> to attach to one or more tabs to instrument network interaction, debug JavaScript, mutate the DOM and CSS, etc. Use the Debuggee <code>tabId</code> to target tabs with sendCommand and route events by <code>tabId</code> from onEvent callbacks.",
     "types": [
       {
         "id": "Debuggee",