[content shell] add support for testRunner.canOpenWindows and disallow opening windows per default …

content/shell/webkit_test_runner_host.h

Index: content/shell/webkit_test_runner_host.h
diff --git a/content/shell/webkit_test_runner_host.h b/content/shell/webkit_test_runner_host.h
index 596a910dbd6bbf5d655f0086e3767e90fed75e52..ed4843984de3b08521ca6e67e775957439b8418e 100644
--- a/content/shell/webkit_test_runner_host.h
+++ b/content/shell/webkit_test_runner_host.h
@@ -109,6 +109,10 @@ class WebKitTestController : public base::NonThreadSafe,
   }
   bool is_printing() const { return is_printing_; }
   void set_is_printing(bool is_printing) { is_printing_ = is_printing; }
+  bool can_open_windows() const { return can_open_windows_; }
+  void set_can_open_windows(bool can_open_windows) {
+    can_open_windows_ = can_open_windows;
+  }
 
   // WebContentsObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
@@ -146,6 +150,7 @@ class WebKitTestController : public base::NonThreadSafe,
   bool is_printing_;
   bool should_stay_on_page_after_handling_before_unload_;
   bool wait_until_done_;
+  bool can_open_windows_;
   ShellWebPreferences prefs_;
 
   base::CancelableClosure watchdog_;
@@ -169,6 +174,7 @@ class WebKitTestRunnerHost : public RenderViewHostObserver {
   void OnSetPrinting();
   void OnSetShouldStayOnPageAfterHandlingBeforeUnload(bool should_stay_on_page);
   void OnWaitUntilDone();
+  void OnCanOpenWindows();
 
   void OnNotImplemented(const std::string& object_name,
                         const std::string& method_name);