Browser Plugin: Report Guest crash to Javascript

BUG=141207

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=150664

Review URL: https://chromiumcodereview.appspot.com/10832207

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150989 0039d316-1c4b-4281-b951-d872f2087c98

content/renderer/browser_plugin/browser_plugin.cc

@@ -37,6 +37,7 @@ using WebKit::WebVector;
 namespace content {
 
 namespace {
+const char kCrashEventName[] = "crash";
 const char kNavigationEventName[] = "navigation";
 const char* kSrcAttribute = "src";
 }
@@ -184,6 +185,21 @@ void BrowserPlugin::UpdateRect(
 void BrowserPlugin::GuestCrashed() {
   guest_crashed_ = true;
   container_->invalidate();
+
+  if (!HasListeners(kCrashEventName))
+    return;
+
+  EventListeners& listeners = event_listener_map_[kCrashEventName];
+  EventListeners::iterator it = listeners.begin();
+  for (; it != listeners.end(); ++it) {
+    v8::Context::Scope context_scope(v8::Context::New());
+    v8::HandleScope handle_scope;
+    container()->element().document().frame()->
+        callFunctionEvenIfScriptDisabled(*it,
+                                         v8::Object::New(),
+                                         0,
+                                         NULL);
+  }
 }
 
 void BrowserPlugin::DidNavigate(const GURL& url) {

content/renderer/browser_plugin/browser_plugin_browsertest.cc

@@ -240,8 +240,22 @@ TEST_F(BrowserPluginTest, GuestCrash) {
       BrowserPluginHostMsg_HandleInputEvent::ID));
   browser_plugin_manager()->sink().ClearMessages();
 
+  const char* kAddEventListener =
+    "var msg;"
+    "function crashListener() {"
+    "  msg = 'crashed';"
+    "}"
+    "document.getElementById('browserplugin')."
+    "    addEventListener('crash', crashListener);";
+
+  ExecuteJavaScript(kAddEventListener);
+
   // Pretend that the guest has crashed
   browser_plugin->GuestCrashed();
+
+  // Verify that our event listener has fired.
+  EXPECT_EQ("crashed", ExecuteScriptAndReturnString("msg"));
+
   // Send an event and verify that events are no longer deported.
   browser_plugin->handleInputEvent(WebKit::WebMouseEvent(),
                                    cursor_info);