diff --git a/src/background.js b/src/background.js
index 3ab19d3..1157239 100644
--- a/src/background.js
+++ b/src/background.js
@@ -88,4 +88,68 @@ function isPageActionNeededForUrl(url) {
     return cws_pattern.test(url) || mea_pattern.test(url) || ows_pattern.test(url) ||
         amo_pattern.test(url) || atn_pattern.test(url);
 }
+//#else
+//// Work-around for crbug.com/1132684: static event_rules disappear after a
+//// restart, so we register rules dynamically instead, on install.
+function registerEventRules() {
+    if (registerEventRules.hasRunOnce) {
+        return;
+    }
+    registerEventRules.hasRunOnce = true;
+
+    var pageUrlFilters = [{
+        hostEquals: "chrome.google.com",
+        pathPrefix: "/webstore/detail/"
+    }, {
+        hostEquals: "microsoftedge.microsoft.com",
+        pathPrefix: "/webstore/detail/"
+    }, {
+        hostEquals: "addons.opera.com",
+        pathContains: "extensions/details/"
+    }, {
+        hostEquals: "addons.mozilla.org",
+        pathContains: "addon/"
+    }, {
+        hostSuffix: "addons.mozilla.org",
+        pathContains: "review/"
+    }, {
+        hostEquals: "addons.allizom.org",
+        pathContains: "addon/"
+    }, {
+        hostSuffix: "addons.allizom.org",
+        pathContains: "review/"
+    }, {
+        hostEquals: "addons-dev.allizom.org",
+        pathContains: "addon/"
+    }, {
+        hostSuffix: "addons-dev.allizom.org",
+        pathContains: "review/"
+    }, {
+        hostEquals: "addons.thunderbird.net",
+        pathContains: "addon/"
+    }, {
+        hostSuffix: "addons-stage.thunderbird.net",
+        pathContains: "addon/"
+    }];
+
+    var rule = {
+        conditions: pageUrlFilters.map(function(pageUrlFilter) {
+            return new chrome.declarativeContent.PageStateMatcher({
+                pageUrl: pageUrlFilter,
+            });
+        }),
+        actions: [
+            new chrome.declarativeContent.ShowPageAction(),
+        ],
+    };
+
+    chrome.declarativeContent.onPageChanged.removeRules(undefined, function() {
+        chrome.declarativeContent.onPageChanged.addRules([rule]);
+    });
+}
+//// Work-around for crbug.com/388231 is in incognito-events.js
+chrome.runtime.onInstalled.addListener(registerEventRules);
+//// Work-around for crbug.com/264963: onInstalled is not fired when the
+//// extension was disabled during an update.
+chrome.runtime.onStartup.addListener(registerEventRules);
 //#endif
diff --git a/src/cws_pattern.js b/src/cws_pattern.js
index 48c19bb..48ae27e 100644
--- a/src/cws_pattern.js
+++ b/src/cws_pattern.js
@@ -58,8 +58,7 @@ var atn_match_patterns = [
 // page_action.show_matches (in manifest_firefox.json) uses:
 // cws_match_pattern, mea_match_pattern, ows_match_pattern, amo_match_patterns
 //
-// event_rules / declarativeContent (in manifest.json / manifest_opera.json)
-// uses the same patterns, translated to a UrlFilter.
+// declarativeContent (in background.js) uses the same patterns, translated to a UrlFilter.
 //
 // popup.js uses can_viewsource_crx_url to determine whether the URL can actually be opened,
 // which use regexps that may be stricter than the match patterns.
diff --git a/src/manifest.json b/src/manifest.json
index 5e53f47..d9ebd79 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -23,79 +23,6 @@
         "default_title": "Inspect contents of the current browser extension",
         "default_popup": "popup.html"
     },
-    "event_rules": [{
-        "event": "declarativeContent.onPageChanged",
-        "actions": [{
-            "type": "declarativeContent.ShowPageAction"
-        }],
-        "conditions": [{
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "chrome.google.com",
-                "pathPrefix": "/webstore/detail/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "microsoftedge.microsoft.com",
-                "pathPrefix": "/webstore/detail/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons.opera.com",
-                "pathContains": "extensions/details/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons.mozilla.org",
-                "pathContains": "addon/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostSuffix": "addons.mozilla.org",
-                "pathContains": "review/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons.allizom.org",
-                "pathContains": "addon/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostSuffix": "addons.allizom.org",
-                "pathContains": "review/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons-dev.allizom.org",
-                "pathContains": "addon/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostSuffix": "addons-dev.allizom.org",
-                "pathContains": "review/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons.thunderbird.net",
-                "pathContains": "addon/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostSuffix": "addons-stage.thunderbird.net",
-                "pathContains": "addon/"
-            }
-        }]
-    }],
     "icons": {
         "16": "icons/16.png",
         "48": "icons/48.png",
@@ -111,6 +38,7 @@
         "storage",
         "contextMenus",
         "downloads",
+        "declarativeContent",
         "*://clients2.google.com/service/update2/crx*",
         "*://clients2.googleusercontent.com/crx/download/*"
     ],
diff --git a/src/manifest_opera.json b/src/manifest_opera.json
index 4766f61..df270f2 100644
--- a/src/manifest_opera.json
+++ b/src/manifest_opera.json
@@ -26,79 +26,6 @@
         "default_title": "Inspect contents of the current browser extension",
         "default_popup": "popup.html"
     },
-    "event_rules": [{
-        "event": "declarativeContent.onPageChanged",
-        "actions": [{
-            "type": "declarativeContent.ShowPageAction"
-        }],
-        "conditions": [{
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "chrome.google.com",
-                "pathPrefix": "/webstore/detail/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "microsoftedge.microsoft.com",
-                "pathPrefix": "/webstore/detail/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons.opera.com",
-                "pathContains": "extensions/details/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons.mozilla.org",
-                "pathContains": "addon/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostSuffix": "addons.mozilla.org",
-                "pathContains": "review/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons.allizom.org",
-                "pathContains": "addon/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostSuffix": "addons.allizom.org",
-                "pathContains": "review/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons-dev.allizom.org",
-                "pathContains": "addon/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostSuffix": "addons-dev.allizom.org",
-                "pathContains": "review/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostEquals": "addons.thunderbird.net",
-                "pathContains": "addon/"
-            }
-        }, {
-            "type": "declarativeContent.PageStateMatcher",
-            "pageUrl": {
-                "hostSuffix": "addons-stage.thunderbird.net",
-                "pathContains": "addon/"
-            }
-        }]
-    }],
     "icons": {
         "16": "icons/16.png",
         "48": "icons/48.png",
@@ -110,6 +37,7 @@
         "storage",
         "contextMenus",
         "downloads",
+        "declarativeContent",
         "*://clients2.google.com/service/update2/crx*",
         "*://clients2.googleusercontent.com/crx/download/*",
         "*://addons.opera.com/*",