DevTools: introduce the bypass service worker checkbox.

third_party/WebKit/Source/devtools/front_end/sdk/ServiceWorkerManager.js

Index: third_party/WebKit/Source/devtools/front_end/sdk/ServiceWorkerManager.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/ServiceWorkerManager.js b/third_party/WebKit/Source/devtools/front_end/sdk/ServiceWorkerManager.js
index a8a719c85953ca9ad7d367a989476bb8bb033420..b2465fed97a20e2c418daad1126e14dae7b3fdc5 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/ServiceWorkerManager.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/ServiceWorkerManager.js
@@ -44,10 +44,16 @@ WebInspector.ServiceWorkerManager = function(target)
     /** @type {!Map.<string, !WebInspector.ServiceWorkerRegistration>} */
     this._registrations = new Map();
     this.enable();
+
     this._forceUpdateSetting = WebInspector.settings.createSetting("serviceWorkerUpdateOnReload", false);
     if (this._forceUpdateSetting.get())
         this._forceUpdateSettingChanged();
     this._forceUpdateSetting.addChangeListener(this._forceUpdateSettingChanged, this);
+
+    this._fallbackToNetworkSetting = WebInspector.settings.createSetting("serviceWorkerFallbackToNetwork", false);
+    if (this._fallbackToNetworkSetting.get())
+        this._fallbackToNetworkSettingChanged();
+    this._fallbackToNetworkSetting.addChangeListener(this._fallbackToNetworkSettingChanged, this);
 }
 
 WebInspector.ServiceWorkerManager.Events = {
@@ -339,9 +345,22 @@ WebInspector.ServiceWorkerManager.prototype = {
         return this._forceUpdateSetting;
     },
 
+    /**
+     * @return {!WebInspector.Setting}
+     */
+    fallbackToNetworkSetting: function()
+    {
+        return this._fallbackToNetworkSetting;
+    },
+
     _forceUpdateSettingChanged: function()
     {
-        this._agent.setForceUpdateOnPageLoad(this._forceUpdateSetting.get());
+        this._agent.setUpdateOnPageLoad(this._forceUpdateSetting.get());
+    },
+
+    _fallbackToNetworkSettingChanged: function()
+    {
+        this._agent.setFallbackToNetwork(this._fallbackToNetworkSetting.get());
     },
 
     __proto__: WebInspector.SDKObject.prototype