Clear DevTools temp storage

Source/devtools/front_end/ProfilesPanel.js

Index: Source/devtools/front_end/ProfilesPanel.js
diff --git a/Source/devtools/front_end/ProfilesPanel.js b/Source/devtools/front_end/ProfilesPanel.js
index 8a569e4522ccda2755c7b87edf8704e0b46c32bd..137a5d2d619535a6922ddf00b8f3d1593580ab72 100644
--- a/Source/devtools/front_end/ProfilesPanel.js
+++ b/Source/devtools/front_end/ProfilesPanel.js
@@ -39,6 +39,8 @@ WebInspector.ProfileType = function(id, name)
     this.treeElement = null;
     /** @type {?WebInspector.ProfileHeader} */
     this._profileBeingRecorded = null;
+
+    window.addEventListener("unload", this._clearTempStorage.bind(this), false);
 }
 
 WebInspector.ProfileType.Events = {
@@ -206,6 +208,12 @@ WebInspector.ProfileType.prototype = {
         }
     },
 
+    _clearTempStorage: function()
+    {
+        for (var i = 0; i < this._profiles.length; ++i)
+            this._profiles[i].removeTempFile();
+    },
+
     /**
      * @nosideeffects
      * @return {?WebInspector.ProfileHeader}
@@ -297,6 +305,12 @@ WebInspector.ProfileHeader.prototype = {
         throw new Error("Not implemented.");
     },
 
+    removeTempFile: function()
+    {
+        if (this._tempFile)
+            this._tempFile.remove();
+    },
+
     dispose: function()
     {
     },