content: Move all listeners of NOTIFICATION_RENDER_VIEW_HOST_CREATED out of content.

chrome/test/base/test_tab_strip_model_observer.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/test/base/test_tab_strip_model_observer.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "chrome/browser/printing/print_preview_dialog_controller.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
+#include "content/public/browser/notification_types.h"
+#include "content/public/browser/render_view_host_observer.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/test/js_injection_ready_observer.h"
+
+class TestTabStripModelObserver::RenderViewHostInitializedObserver
+    : public content::RenderViewHostObserver {
+ public:
+  RenderViewHostInitializedObserver(content::RenderViewHost* render_view_host,
+                                    content::JsInjectionReadyObserver* observer)
+      : content::RenderViewHostObserver(render_view_host),
+        injection_observer_(observer) {
+  }
+
+  // content::RenderViewHostObserver:
+  virtual void RenderViewHostInitialized() OVERRIDE {
+    injection_observer_->OnJsInjectionReady(render_view_host());
+  }
+
+ private:
+  content::JsInjectionReadyObserver* injection_observer_;
+
+  DISALLOW_COPY_AND_ASSIGN(RenderViewHostInitializedObserver);
+};
 
 TestTabStripModelObserver::TestTabStripModelObserver(
     TabStripModel* tab_strip_model,
     content::JsInjectionReadyObserver* js_injection_ready_observer)
-    : TestNavigationObserver(js_injection_ready_observer, 1),
-      tab_strip_model_(tab_strip_model) {
+    : TestNavigationObserver(1),
+      tab_strip_model_(tab_strip_model),
+      injection_observer_(js_injection_ready_observer) {
+  registrar_.Add(this, content::NOTIFICATION_RENDER_VIEW_HOST_CREATED,
+                 content::NotificationService::AllSources());
+
   tab_strip_model_->AddObserver(this);
 }
 
 TestTabStripModelObserver::~TestTabStripModelObserver() {
   tab_strip_model_->RemoveObserver(this);
 }
 
+void TestTabStripModelObserver::Observe(
+    int type,
+    const content::NotificationSource& source,
+    const content::NotificationDetails& details) {
+  if (type == content::NOTIFICATION_RENDER_VIEW_HOST_CREATED) {
+    rvh_observer_.reset(
+        new RenderViewHostInitializedObserver(
+            content::Source<content::RenderViewHost>(source).ptr(),
+            injection_observer_));
+  } else {
+    content::TestNavigationObserver::Observe(type, source, details);
+  }
+}
+
 void TestTabStripModelObserver::TabBlockedStateChanged(
     content::WebContents* contents, int index) {
   // Need to do this later - the print preview dialog has not been created yet.
   MessageLoop::current()->PostTask(
       FROM_HERE,
       base::Bind(&TestTabStripModelObserver::ObservePrintPreviewDialog,
                  base::Unretained(this),
                  contents));
 }
 
 void TestTabStripModelObserver::ObservePrintPreviewDialog(
     content::WebContents* contents) {
   printing::PrintPreviewDialogController* dialog_controller =
       printing::PrintPreviewDialogController::GetInstance();
   if (!dialog_controller)
     return;
   content::WebContents* preview_dialog =
       dialog_controller->GetPrintPreviewForContents(contents);
   if (!preview_dialog)
     return;
   RegisterAsObserver(content::Source<content::NavigationController>(
       &preview_dialog->GetController()));
 }