Add browsertest for Flash permission prompt

content/public/test/ppapi_test_utils.cc

Index: content/public/test/ppapi_test_utils.cc
diff --git a/content/public/test/ppapi_test_utils.cc b/content/public/test/ppapi_test_utils.cc
index 879dad657628d750215652d2d00819e7c66855e4..76485ee95c84e86c31fbe91f9844e71de4525b38 100644
--- a/content/public/test/ppapi_test_utils.cc
+++ b/content/public/test/ppapi_test_utils.cc
@@ -95,6 +95,16 @@ bool RegisterPowerSaverTestPlugin(base::CommandLine* command_line) {
                                            FILE_PATH_LITERAL(""));
 }
 
+bool RegisterFlashTestPlugin(base::CommandLine* command_line) {
+  base::FilePath::StringType library_name =
+      base::FilePath::FromUTF8Unsafe(ppapi::kPowerSaverTestPluginName).value();
+  std::vector<PluginInfo> plugins;
+  plugins.push_back(
+      PluginInfo(library_name, FILE_PATH_LITERAL("#Shockwave Flash#"),

[tommycli, 2016/09/26 22:54:49]

I noticed that if I didn't set the version to 100.0, it would trigger the
Outdated plugin path and tests would fail.

[raymes, 2016/09/27 04:05:41]

Done.

+                 FILE_PATH_LITERAL("application/x-shockwave-flash")));
+  return RegisterPlugins(command_line, plugins);
+}
+
 bool RegisterBlinkTestPlugin(base::CommandLine* command_line) {
 #if defined(OS_WIN)
   static const CharType kPluginLibrary[] = L"blink_test_plugin.dll";