Add a blocking version of the sync promo dialog

chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h

Index: chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h
diff --git a/chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h b/chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h
index 198d90a37b834ceb82956d514a5dcfddacb4db39..0f846f954d35ffcf5c43488e7cf0f360104bffb2 100644
--- a/chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h
+++ b/chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h
@@ -9,6 +9,7 @@
 #include "base/compiler_specific.h"
 #include "content/public/browser/web_contents_delegate.h"
 
+class Browser;
 class Profile;
 
 // This class implements (and mostly ignores) most of
@@ -18,6 +19,29 @@ class Profile;
 // behave consistently.
 class HtmlDialogTabContentsDelegate : public content::WebContentsDelegate {
  public:
+  // Opens a new URL inside |source| (if source is NULL open in the current
+  // front-most tab). |profile| is the profile that the browser should be owened
+  // by. |params| contains the URL to open and various attributes such as
+  // disposition. On return |out_new_contents| contains the WebContents the
+  // URL is opened in. Returns the browser spawned by the operation.
+  static Browser* StaticOpenURLFromTab(Profile* profile,
+                                       content::WebContents* source,
+                                       const content::OpenURLParams& params,
+                                       content::WebContents** out_new_contents);
+
+  // Creates a new tab with |new_contents|. |profile| is the profile that the
+  // browser should be owned by. |source| is the WebContent where the operation
+  // originated. |disposition| controls how the new tab should be opened.
+  // |initial_pos| is the position of the window if a new window is created.
+  // |user_gesture| is true if the operation was started by a user gesture.
+  // Returns the browser spawned by the operation.
+  static Browser* StaticAddNewContents(Profile* profile,
+                                       content::WebContents* source,
+                                       content::WebContents* new_contents,
+                                       WindowOpenDisposition disposition,
+                                       const gfx::Rect& initial_pos,
+                                       bool user_gesture);
+
   // Profile must be non-NULL.
   explicit HtmlDialogTabContentsDelegate(Profile* profile);