DevTools: introduce the Clear storage pane in the resources panel.

third_party/WebKit/Source/devtools/front_end/resources/DOMStorageModel.js

Index: third_party/WebKit/Source/devtools/front_end/resources/DOMStorageModel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/resources/DOMStorageModel.js b/third_party/WebKit/Source/devtools/front_end/resources/DOMStorageModel.js
index a256a0a8ee4084cdbb9c388a108377faabefaa58..ea87c7b0c54b77da56714d4fdbc01b548a5f8714 100644
--- a/third_party/WebKit/Source/devtools/front_end/resources/DOMStorageModel.js
+++ b/third_party/WebKit/Source/devtools/front_end/resources/DOMStorageModel.js
@@ -144,6 +144,17 @@ WebInspector.DOMStorageModel.prototype = {
     },
 
     /**
+     * @param {string} origin
+     */
+    clearForOrigin: function(origin)
+    {
+        if (!this._enabled)
+            return;
+        this._removeOrigin(origin);
+        this._addOrigin(origin);
+    },
+
+    /**
      * @param {!WebInspector.Event} event
      */
     _securityOriginAdded: function(event)
@@ -151,7 +162,6 @@ WebInspector.DOMStorageModel.prototype = {
         this._addOrigin(/** @type {string} */ (event.data));
     },
 
-
     /**
      * @param {string} securityOrigin
      */
@@ -175,7 +185,14 @@ WebInspector.DOMStorageModel.prototype = {
      */
     _securityOriginRemoved: function(event)
     {
-        var securityOrigin = /** @type {string} */ (event.data);
+        this._removeOrigin(/** @type {string} */ (event.data));
+    },
+
+    /**
+     * @param {string} securityOrigin
+     */
+    _removeOrigin: function(securityOrigin)
+    {
         var localStorageKey = this._storageKey(securityOrigin, true);
         var localStorage = this._storages[localStorageKey];
         console.assert(localStorage);