[Extensions UI] Observe developerPrivate events for extension views

Move all events relating to renderer views out of the ExtensionSettingsHandler,
and have the extensions page update from the developerPrivate API instead.

BUG=461039

Review URL: https://codereview.chromium.org/1086693005

Cr-Commit-Position: refs/heads/master@{#325586}

2 files changed, 6 insertions, 0 deletions

diff --git a/extensions/browser/app_window/app_window.cc b/extensions/browser/app_window/app_window.cc
index fc56bae..5ca80d4 100644
--- a/extensions/browser/app_window/app_window.cc
+++ b/extensions/browser/app_window/app_window.cc
@@ -252,6 +252,8 @@ void AppWindow::Init(const GURL& url,
   app_window_contents_.reset(app_window_contents);
   app_window_contents_->Initialize(browser_context(), url);
 
+  initial_url_ = url;
+
   content::WebContentsObserver::Observe(web_contents());
   SetViewType(web_contents(), VIEW_TYPE_APP_WINDOW);
   app_delegate_->InitWebContents(web_contents());
diff --git a/extensions/browser/app_window/app_window.h b/extensions/browser/app_window/app_window.h
index e9679dc..df6b248 100644
--- a/extensions/browser/app_window/app_window.h
+++ b/extensions/browser/app_window/app_window.h
@@ -224,6 +224,7 @@ class AppWindow : public content::WebContentsDelegate,
   const GURL& app_icon_url() const { return app_icon_url_; }
   const gfx::Image& badge_icon() const { return badge_icon_; }
   const GURL& badge_icon_url() const { return badge_icon_url_; }
+  const GURL& initial_url() const { return initial_url_; }
   bool is_hidden() const { return is_hidden_; }
 
   const Extension* GetExtension() const;
@@ -518,6 +519,9 @@ class AppWindow : public content::WebContentsDelegate,
   scoped_ptr<AppDelegate> app_delegate_;
   scoped_ptr<AppWebContentsHelper> helper_;
 
+  // The initial url this AppWindow was navigated to.
+  GURL initial_url_;
+
   // Manages popup windows (bubbles, tab-modals) visible overlapping the
   // app window.
   scoped_ptr<web_modal::PopupManager> popup_manager_;