Avoid unnecessary casts in NavigationControllerImpl.

content/browser/ssl/ssl_manager.cc

Index: content/browser/ssl/ssl_manager.cc
diff --git a/content/browser/ssl/ssl_manager.cc b/content/browser/ssl/ssl_manager.cc
index ccaf9cf2062bd2660d6ea0ac4b2c43b21b2daa89..865ca6027a2e631637056b803fff0a9b7f724c20 100644
--- a/content/browser/ssl/ssl_manager.cc
+++ b/content/browser/ssl/ssl_manager.cc
@@ -85,8 +85,7 @@ void SSLManager::NotifySSLInternalStateChanged(BrowserContext* context) {
 
   for (std::set<SSLManager*>::iterator i = managers->get().begin();
        i != managers->get().end(); ++i) {
-    (*i)->UpdateEntry(NavigationEntryImpl::FromNavigationEntry(
-                          (*i)->controller()->GetLastCommittedEntry()));
+    (*i)->UpdateEntry((*i)->controller()->GetLastCommittedEntry());
   }
 }
 
@@ -112,9 +111,7 @@ SSLManager::~SSLManager() {
 }
 
 void SSLManager::DidCommitProvisionalLoad(const LoadCommittedDetails& details) {
-  NavigationEntryImpl* entry =
-      NavigationEntryImpl::FromNavigationEntry(
-          controller_->GetLastCommittedEntry());
+  NavigationEntryImpl* entry = controller_->GetLastCommittedEntry();
 
   if (details.is_main_frame) {
     if (entry) {
@@ -148,15 +145,11 @@ void SSLManager::DidCommitProvisionalLoad(const LoadCommittedDetails& details) {
 }
 
 void SSLManager::DidDisplayInsecureContent() {
-  UpdateEntry(
-      NavigationEntryImpl::FromNavigationEntry(
-          controller_->GetLastCommittedEntry()));
+  UpdateEntry(controller_->GetLastCommittedEntry());
 }
 
 void SSLManager::DidRunInsecureContent(const std::string& security_origin) {
-  NavigationEntryImpl* navigation_entry =
-      NavigationEntryImpl::FromNavigationEntry(
-          controller_->GetLastCommittedEntry());
+  NavigationEntryImpl* navigation_entry = controller_->GetLastCommittedEntry();
   policy()->DidRunInsecureContent(navigation_entry, security_origin);
   UpdateEntry(navigation_entry);
 }