Make to call WebContentsImpl::RenderViewCreated() when we create child window.

content/public/test/content_browser_test_utils.h

Index: content/public/test/content_browser_test_utils.h
===================================================================
--- content/public/test/content_browser_test_utils.h	(revision 270988)
+++ content/public/test/content_browser_test_utils.h	(working copy)
@@ -5,6 +5,7 @@
 #ifndef CONTENT_PUBLIC_TEST_CONTENT_BROWSER_TEST_UTILS_H_
 #define CONTENT_PUBLIC_TEST_CONTENT_BROWSER_TEST_UTILS_H_
 
+#include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "ui/gfx/native_widget_types.h"
 #include "url/gurl.h"
@@ -25,7 +26,9 @@
 namespace content {
 
 class MessageLoopRunner;
+class RenderViewCreatedObserver;
 class Shell;
+class WebContents;
 
 // Generate the file path for testing a particular test.
 // The file for the tests is all located in
@@ -76,6 +79,33 @@
   DISALLOW_COPY_AND_ASSIGN(ShellAddedObserver);
 };
 
+// Used to wait for a new WebContents to be created. Instantiate this object
+// before the operation that will create the window.
+class WebContentsAddedObserver {
+ public:
+  WebContentsAddedObserver();
+  ~WebContentsAddedObserver();
+
+  // Will run a message loop to wait for the new window if it hasn't been
+  // created since the constructor
+  WebContents* GetWebContents();
+
+  // Will tell whether RenderViewCreated Callback has invoked
+  bool RenderViewCreatedCalled();
+
+  base::Callback<void(WebContents*)> web_contents_created_callback_;
+
+ private:
+  void WebContentsCreated(WebContents* web_contents);
+
+  // Callback invoked on WebContents creation.
+  WebContents* web_contents_;
+  scoped_ptr<RenderViewCreatedObserver> child_observer_;
+  scoped_refptr<MessageLoopRunner> runner_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebContentsAddedObserver);
+};
+
 #if defined OS_MACOSX
 void SetWindowBounds(gfx::NativeWindow window, const gfx::Rect& bounds);
 #endif