fix: Raise localStorage quota to 4GB (ref electron#8337)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "electron",
-  "version": "4.0.0-nightly.20181010",
+  "version": "4.0.0-jrq-20181105",
   "repository": "https://github.com/electron/electron",
   "description": "Build cross platform desktop apps with JavaScript, HTML, and CSS",
   "devDependencies": {

patches/common/chromium/.patches

@@ -11,6 +11,7 @@ browser_plugin_wheel.patch
 can_create_window.patch
 compositor_delegate.patch
 disable_hidden.patch
+dom_storage_limit_increase.patch
 dom_storage_map.patch
 frame_host_manager.patch
 net_url_request_job.patch

patches/common/chromium/dom_storage_limit_increase.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jacob Quant <jacobq@gmail.com>
+Date: Mon,  5 Nov 2018 14:42:47 -0600
+Subject: dom_storage_limit_increase.patch
+
+
+diff --git a/content/common/dom_storage/dom_storage_types.h b/content/common/dom_storage/dom_storage_types.h
+index e87afe5b8ee0..21ae3f55b029 100644
+--- a/content/common/dom_storage/dom_storage_types.h
++++ b/content/common/dom_storage/dom_storage_types.h
+@@ -21,7 +21,7 @@ typedef std::map<base::string16, base::NullableString16> DOMStorageValuesMap;
+
+ // The quota for each storage area.
+ // This value is enforced in renderer processes and the browser process.
+-const size_t kPerStorageAreaQuota = 10 * 1024 * 1024;
++const size_t kPerStorageAreaQuota = (4 * 1024 * 1024 * 1024) - 1;  // Electron: raise limit from 10MiB to 4GiB
+
+ // In the browser process we allow some overage to
+ // accomodate concurrent writes from different renderers