content: Move all listeners of NOTIFICATION_RENDER_VIEW_HOST_CREATED out of content.

chrome/test/base/test_tab_strip_model_observer.h

Index: chrome/test/base/test_tab_strip_model_observer.h
diff --git a/chrome/test/base/test_tab_strip_model_observer.h b/chrome/test/base/test_tab_strip_model_observer.h
index 22a8ad5a4de190081306a056c48045b8eae35d83..f038f2529886e6e9c869b27f375b8ab6d5d9b070 100644
--- a/chrome/test/base/test_tab_strip_model_observer.h
+++ b/chrome/test/base/test_tab_strip_model_observer.h
@@ -7,10 +7,16 @@
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 #include "content/public/test/test_navigation_observer.h"
 
 class TabStripModel;
 
+namespace content {
+class JsInjectionReadyObserver;
+}
+
 // In order to support testing of print preview, we need to wait for the
 // constrained window to block the current tab, and then observe notifications
 // on the newly added tab's controller to wait for it to be loaded.
@@ -29,6 +35,13 @@ class TestTabStripModelObserver : public content::TestNavigationObserver,
   virtual ~TestTabStripModelObserver();
 
  private:
+  class RenderViewHostInitializedObserver;
+
+  // content::NotificationObserver:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
   // Callback to observer the print preview dialog associated with |contents|.
   void ObservePrintPreviewDialog(content::WebContents* contents);
 
@@ -40,6 +53,13 @@ class TestTabStripModelObserver : public content::TestNavigationObserver,
   // register this as an observer, and the destructor will remove the observer.
   TabStripModel* tab_strip_model_;
 
+  // RenderViewHost watched for JS injection.
+  scoped_ptr<RenderViewHostInitializedObserver> rvh_observer_;
+
+  content::JsInjectionReadyObserver* injection_observer_;
+
+  content::NotificationRegistrar registrar_;
+
   DISALLOW_COPY_AND_ASSIGN(TestTabStripModelObserver);
 };