Look for extensions in $CHROMIUM_EXTENSION_DIRECTORY instead of
/usr/share/chromium/extensions.

--- a/chrome/common/chrome_paths.cc
+++ b/chrome/common/chrome_paths.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/common/chrome_paths.h"
 
+#include "base/environment.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/native_library.h"
@@ -511,7 +512,13 @@
 #endif
 #if defined(OS_LINUX) || defined(OS_CHROMEOS)
     case chrome::DIR_STANDALONE_EXTERNAL_EXTENSIONS: {
-      cur = base::FilePath(kFilepathSinglePrefExtensions);
+      std::unique_ptr<base::Environment> environment(base::Environment::Create());
+      std::string extension_dir;
+      if (environment->GetVar("CHROMIUM_EXTENSION_DIRECTORY", &extension_dir)) {
+        cur = base::FilePath(extension_dir);
+      } else {
+        cur = base::FilePath(kFilepathSinglePrefExtensions);
+      }
       break;
     }
 #endif
zed Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=f95bf8436ae4bd5eb45077d8d8f04126184aefc2'>refs</a><a class='active' href='/guix/log/gnu/packages/scribus.scm'>log</a><a href='/guix/tree/gnu/packages/scribus.scm?id=f95bf8436ae4bd5eb45077d8d8f04126184aefc2'>tree</a><a href='/guix/commit/gnu/packages/scribus.scm?id=f95bf8436ae4bd5eb45077d8d8f04126184aefc2'>commit</a><a href='/guix/diff/gnu/packages/scribus.scm?id=f95bf8436ae4bd5eb45077d8d8f04126184aefc2'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/scribus.scm'>
<input type='hidden' name='id' value='f95bf8436ae4bd5eb45077d8d8f04126184aefc2'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=f95bf8436ae4bd5eb45077d8d8f04126184aefc2'>root</a>/<a href='/guix/log/gnu?id=f95bf8436ae4bd5eb45077d8d8f04126184aefc2'>gnu</a>/<a href='/guix/log/gnu/packages?id=f95bf8436ae4bd5eb45077d8d8f04126184aefc2'>packages</a>/<a href='/guix/log/gnu/packages/scribus.scm?id=f95bf8436ae4bd5eb45077d8d8f04126184aefc2'>scribus.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/scribus.scm?id=f95bf8436ae4bd5eb45077d8d8f04126184aefc2&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-01-04 12:40:17 +0100'>2023-01-04</span></td><td><a href='/guix/commit/gnu/packages/scribus.scm?id=201793fd07f602270b2375491a2f5d1d85d4f2b1'>gnu: hunspell: Move hunspell and dictionaries to hunspell module.</a><span class='msg-avail'>...<span class='msg-tooltip'>Consolidate hunspell and its dictionaries into the (gnu packages hunspell)
module instead of having them scattered about.

* gnu/packages/aspell.scm (aspell-word-list, define-word-list-dictionary,
hunspell-dict-{en, en-au, en-gb, en-gb-ize, en-us}): Remove variables.
* gnu/packages/libreoffice.scm (hunspell, dicollecte-french-dictionary,
define-french-dictionary, hunspell-dict-fr-{classique, moderne, réforme,
toutes-variantes}, hunspell-dict-pl, hunspell-dict-de, hunspell-dict-hu):
Remove variables.
* gnu/packages/hunspell.scm (hunspell, dicollecte-french-dictionary,
define-french-dictionary, hunspell-dict-fr-{classique, moderne, réforme,
toutes-variantes}, hunspell-dict-pl, hunspell-dict-de, hunspell-dict-hu,
aspell-word-list, define-word-list-dictionary, hunspell-dict-{en, en-au,
en-gb, en-gb-ize, en-us}): Add variables.
(hunspell-dictionary): Explicitly declare upstream libreoffice version to
prevent circular dependency.
* gnu/packages/ebook.scm,
gnu/packages/enchant.scm,
gnu/packages/freedesktop.scm,
gnu/packages/gnuzilla.scm,
gnu/packages/kde-frameworks.scm,
gnu/packages/messaging.scm,
gnu/packages/scribus.scm,
gnu/packages/task-management.scm,
gnu/packages/telegram.scm,
gnu/packages/tex.scm,
gnu/packages/text-editors.scm,
gnu/packages/video.scm: Adjust module imports.
</span></span></td><td>Brian Cully</td></tr>
<tr><td><span title='2022-07-31 21:55:48 -0400'>2022-07-31</span></td><td><a href='/guix/commit/gnu/packages/scribus.scm?id=eef8e2ec46c4155980815e00a394428c0c3de075'>gnu: qttools: Rename to qttools-5.</a><span class='msg-avail'>...<span class='msg-tooltip'>Automated with:

  git grep -l qttools | xargs sed 's/\bqttools\b/\0-5/g' -i
  git checkout NEWS
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-07-31 21:55:44 -0400'>2022-07-31</span></td><td><a href='/guix/commit/gnu/packages/scribus.scm?id=735d340ae461751eaebf177334dec537da7cfec2'>gnu: qtdeclarative: Rename to qtdeclarative-5.</a><span class='msg-avail'>...<span class='msg-tooltip'>Automated via the following commands:

  git grep -l '\bqtdeclarative\b' | xargs sed -E 's/qtdeclarative/\0-5/g' -i
  git checkout NEWS
</span></span></td><td>Maxim Cournoyer</td></tr>