Move RequestPpapiBrokerPermission from WebContentsObserver to WebContentsDelegate.

chrome/browser/ui/tab_contents/tab_contents.cc

Index: chrome/browser/ui/tab_contents/tab_contents.cc
diff --git a/chrome/browser/ui/tab_contents/tab_contents.cc b/chrome/browser/ui/tab_contents/tab_contents.cc
index 987992a188f5b174417937765d379364973fef0e..cfceff6d5f3d57d67d88be73b5eb9452687822b2 100644
--- a/chrome/browser/ui/tab_contents/tab_contents.cc
+++ b/chrome/browser/ui/tab_contents/tab_contents.cc
@@ -21,7 +21,6 @@
 #include "chrome/browser/omnibox_search_hint.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/password_manager/password_manager_delegate_impl.h"
-#include "chrome/browser/pepper_broker_observer.h"
 #include "chrome/browser/plugins/plugin_observer.h"
 #include "chrome/browser/prerender/prerender_tab_helper.h"
 #include "chrome/browser/printing/print_preview_message_handler.h"
@@ -144,7 +143,6 @@ TabContents::TabContents(WebContents* contents)
   PasswordManagerDelegateImpl::CreateForWebContents(contents);
   PasswordManager::CreateForWebContentsAndDelegate(
       contents, PasswordManagerDelegateImpl::FromWebContents(contents));
-  PepperBrokerObserver::CreateForWebContents(contents);
   PluginObserver::CreateForWebContents(contents);
   PrefsTabHelper::CreateForWebContents(contents);
   prerender::PrerenderTabHelper::CreateForWebContents(contents);