Add UI test for click-to-play.

chrome/browser/automation/testing_automation_provider.cc

Index: chrome/browser/automation/testing_automation_provider.cc
diff --git a/chrome/browser/automation/testing_automation_provider.cc b/chrome/browser/automation/testing_automation_provider.cc
index 109c13b0a22b968b83851312ab9a0f3fe72a0a65..e4e1d539e1308ea7055e465bc3ca34580cbeea5a 100644
--- a/chrome/browser/automation/testing_automation_provider.cc
+++ b/chrome/browser/automation/testing_automation_provider.cc
@@ -419,6 +419,7 @@ void TestingAutomationProvider::OnMessageReceived(
     IPC_MESSAGE_HANDLER(AutomationMsg_ShutdownSessionService,
                         ShutdownSessionService)
     IPC_MESSAGE_HANDLER(AutomationMsg_SetContentSetting, SetContentSetting)
+    IPC_MESSAGE_HANDLER(AutomationMsg_LoadBlockedPlugins, LoadBlockedPlugins)
     IPC_MESSAGE_HANDLER(AutomationMsg_ResetToDefaultTheme, ResetToDefaultTheme)
 
     IPC_MESSAGE_UNHANDLED(AutomationProvider::OnMessageReceived(message));
@@ -4052,6 +4053,21 @@ void TestingAutomationProvider::SetContentSetting(
   }
 }
 
+void TestingAutomationProvider::LoadBlockedPlugins(int tab_handle,
+                                                   bool* success) {
+  *success = false;
+  if (tab_tracker_->ContainsHandle(tab_handle)) {
+    NavigationController* nav = tab_tracker_->GetResource(tab_handle);
+    if (!nav)
+      return;
+    TabContents* contents = nav->tab_contents();
+    if (!contents)
+      return;
+    contents->render_view_host()->LoadBlockedPlugins();
+    *success = true;
+  }
+}
+
 void TestingAutomationProvider::ResetToDefaultTheme() {
   profile_->ClearTheme();
 }