browser-plugin: Send a JSON string for the detail data with the events.

content/renderer/browser_plugin/browser_plugin_browsertest.cc

Index: content/renderer/browser_plugin/browser_plugin_browsertest.cc
diff --git a/content/renderer/browser_plugin/browser_plugin_browsertest.cc b/content/renderer/browser_plugin/browser_plugin_browsertest.cc
index 5986aa86c65628fef29863635825169c53735473..27ee35b543c3ec0685404ff214d82b95afb38d1a 100644
--- a/content/renderer/browser_plugin/browser_plugin_browsertest.cc
+++ b/content/renderer/browser_plugin/browser_plugin_browsertest.cc
@@ -274,7 +274,7 @@ TEST_F(BrowserPluginTest, GuestCrash) {
   const char* kAddEventListener =
     "var msg;"
     "function exitListener(e) {"
-    "  msg = e.detail.reason;"
+    "  msg = JSON.parse(e.detail).reason;"
     "}"
     "document.getElementById('browserplugin')."
     "    addEventListener('-internal-exit', exitListener);";
@@ -314,8 +314,8 @@ TEST_F(BrowserPluginTest, RemovePlugin) {
 TEST_F(BrowserPluginTest, CustomEvents) {
   const char* kAddEventListener =
     "var url;"
-    "function nav(u) {"
-    "  url = u.detail.url;"
+    "function nav(e) {"
+    "  url = JSON.parse(e.detail).url;"
     "}"
     "document.getElementById('browserplugin')."
     "    addEventListener('-internal-loadcommit', nav);";
@@ -501,8 +501,8 @@ TEST_F(BrowserPluginTest, ImmutableAttributesAfterNavigation) {
 TEST_F(BrowserPluginTest, RemoveEventListenerInEventListener) {
   const char* kAddEventListener =
     "var url;"
-    "function nav(u) {"
-    "  url = u.detail.url;"
+    "function nav(e) {"
+    "  url = JSON.parse(e.detail).url;"
     "  document.getElementById('browserplugin')."
     "      removeEventListener('-internal-loadcommit', nav);"
     "}"
@@ -616,7 +616,7 @@ TEST_F(BrowserPluginTest, RemoveBrowserPluginOnExit) {
 
   const char* kAddEventListener =
     "function exitListener(e) {"
-    "  if (e.detail.reason == 'killed') {"
+    "  if (JSON.parse(e.detail).reason == 'killed') {"
     "    var bp = document.getElementById('browserplugin');"
     "    bp.parentNode.removeChild(bp);"
     "  }"