<browser>: Always read <browser>.src attribute from <object>.src.

chrome/browser/extensions/browser_tag_browsertest.cc

Index: chrome/browser/extensions/browser_tag_browsertest.cc
diff --git a/chrome/browser/extensions/browser_tag_browsertest.cc b/chrome/browser/extensions/browser_tag_browsertest.cc
index e63769a2403e38c0f24e211b609c304bd2b1984b..460cb5b483aa2b3e51d95cbdf9d0ed37b08bb25a 100644
--- a/chrome/browser/extensions/browser_tag_browsertest.cc
+++ b/chrome/browser/extensions/browser_tag_browsertest.cc
@@ -30,6 +30,11 @@ IN_PROC_BROWSER_TEST_F(BrowserTagTest, Shim) {
   ASSERT_TRUE(RunPlatformAppTest("platform_apps/browser_tag")) << message_;
 }
 
+IN_PROC_BROWSER_TEST_F(BrowserTagTest, ShimSrcAttribute) {
+  ASSERT_TRUE(RunPlatformAppTest("platform_apps/browser_tag_src_attribute"))
+      << message_;
+}
+
 IN_PROC_BROWSER_TEST_F(BrowserTagTest, Isolation) {
   ASSERT_TRUE(StartTestServer());
   const std::wstring kExpire =