Move blocked content from TabContents to TabContentsWrapper.

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 aa45879ecd8ab7bc1b68685815fe94b1552aca3c..97f0b7505c6fbc62b2bf27ddb7e3b0dcb3d8f79c 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -27,6 +27,7 @@
 #include "chrome/browser/tabs/tab_handler.h"
 #include "chrome/browser/tabs/tab_strip_model_delegate.h"  // TODO(beng): remove
 #include "chrome/browser/tabs/tab_strip_model_observer.h"  // TODO(beng): remove
+#include "chrome/browser/ui/blocked_content/blocked_content_tab_helper_delegate.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/search_engines/search_engine_tab_helper_delegate.h"
 #include "chrome/browser/ui/shell_dialogs.h"
@@ -62,6 +63,7 @@ class Browser : public TabHandlerDelegate,
                 public TabContentsDelegate,
                 public TabContentsWrapperDelegate,
                 public SearchEngineTabHelperDelegate,
+                public BlockedContentTabHelperDelegate,
                 public PageNavigator,
                 public CommandUpdater::CommandUpdaterDelegate,
                 public NotificationObserver,
@@ -833,6 +835,10 @@ class Browser : public TabHandlerDelegate,
   virtual void ConfirmAddSearchProvider(const TemplateURL* template_url,
                                         Profile* profile) OVERRIDE;
 
+  // Overridden from BlockedContentTabHelperDelegate:
+  virtual TabContentsWrapper* GetConstrainingContents(
+      TabContentsWrapper* source) OVERRIDE;
+
   // Overridden from SelectFileDialog::Listener:
   virtual void FileSelected(const FilePath& path, int index, void* params);