Avoid parsing the webstore base url so much.

chrome/browser/ui/app_list/search/webstore/webstore_provider_browsertest.cc

Index: chrome/browser/ui/app_list/search/webstore/webstore_provider_browsertest.cc
diff --git a/chrome/browser/ui/app_list/search/webstore/webstore_provider_browsertest.cc b/chrome/browser/ui/app_list/search/webstore/webstore_provider_browsertest.cc
index e379ebf87b15b5b3754cd57cd4ca80cd4f577bc0..6e10205a20fc24601a637eda4367c65a3c8cb3d5 100644
--- a/chrome/browser/ui/app_list/search/webstore/webstore_provider_browsertest.cc
+++ b/chrome/browser/ui/app_list/search/webstore/webstore_provider_browsertest.cc
@@ -169,8 +169,11 @@ class WebstoreProviderTest : public InProcessBrowserTest {
         base::Bind(&WebstoreProviderTest::HandleRequest,
                    base::Unretained(this)));
     ASSERT_TRUE(embedded_test_server()->Start());
+    // Minor hack: the gallery URL is expected not to end with a slash. Just
+    // append "path" to maintain this.
     base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-        ::switches::kAppsGalleryURL, embedded_test_server()->base_url().spec());
+        ::switches::kAppsGalleryURL,
+        embedded_test_server()->base_url().spec() + "path");
 
     mock_controller_.reset(new AppListControllerDelegateForTest);
     webstore_provider_.reset(new WebstoreProvider(