[WebModals] New API for browser-scoped popup management.

chrome/browser/ui/browser.h

Index: chrome/browser/ui/browser.h
diff --git a/chrome/browser/ui/browser.h b/chrome/browser/ui/browser.h
index d5e9d7299bb6a6e7c485cfcb253e50d12ff54a5d..849d302bed1667cd28a72e0d6788a0532b15c17f 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -91,6 +91,7 @@ class WebDialogDelegate;
 }
 
 namespace web_modal {
+class PopupManager;
 class WebContentsModalDialogHost;
 }
 
@@ -242,6 +243,9 @@ class Browser : public TabStripModelObserver,
     toolbar_model->swap(toolbar_model_);
   }
 #endif
+  web_modal::PopupManager* popup_manager() {
+    return popup_manager_.get();
+  }
   TabStripModel* tab_strip_model() const { return tab_strip_model_.get(); }
   chrome::BrowserCommandController* command_controller() {
     return command_controller_.get();
@@ -819,6 +823,10 @@ class Browser : public TabStripModelObserver,
   // This Browser's window.
   BrowserWindow* window_;
 
+  // Manages popup windows (bubbles, tab-modals) visible overlapping this
+  // window. JS alerts are not handled by this manager.
+  scoped_ptr<web_modal::PopupManager> popup_manager_;
+
   scoped_ptr<TabStripModelDelegate> tab_strip_model_delegate_;
   scoped_ptr<TabStripModel> tab_strip_model_;