Set a max limit on extension items' labels in context menus.

Also do some cleanup of context menu tests, including adding a generic
mechanism to let javascript pass a test message and have C++ test code wait
for and retrieve those messages.

BUG=49744
TEST=Follow steps in bug report

Review URL: http://codereview.chromium.org/3017047

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@54514 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 0 deletions

diff --git a/chrome/browser/extensions/extension_test_api.cc b/chrome/browser/extensions/extension_test_api.cc
index e5ae650..e9e46be 100644
--- a/chrome/browser/extensions/extension_test_api.cc
+++ b/chrome/browser/extensions/extension_test_api.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/extensions/extension_test_api.h"
 
+#include <string>
+
 #include "chrome/browser/browser.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/extensions/extensions_service.h"
@@ -50,3 +52,14 @@ bool ExtensionTestCreateIncognitoTabFunction::RunImpl() {
   Browser::OpenURLOffTheRecord(profile(), GURL(url));
   return true;
 }
+
+bool ExtensionTestSendMessageFunction::RunImpl() {
+  std::string message;
+  EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &message));
+  std::string id = extension_id();
+  NotificationService::current()->Notify(
+      NotificationType::EXTENSION_TEST_MESSAGE,
+      Source<std::string>(&id),
+      Details<std::string>(&message));
+  return true;
+}