Remove some chrome-specific methods from content::WebUI.

chrome/browser/ui/toolbar/toolbar_model_impl.cc

Index: chrome/browser/ui/toolbar/toolbar_model_impl.cc
===================================================================
--- chrome/browser/ui/toolbar/toolbar_model_impl.cc	(revision 193436)
+++ chrome/browser/ui/toolbar/toolbar_model_impl.cc	(working copy)
@@ -146,12 +146,11 @@
 
 bool ToolbarModelImpl::ShouldDisplayURL() const {
   // Note: The order here is important.
-  // - The WebUI test must come before the extension scheme test because there
-  //   can be WebUIs that have extension schemes (e.g. the bookmark manager). In
-  //   that case, we should prefer what the WebUI instance says.
-  // - The view-source test must come before the WebUI test because of the case
+  // - The NTP test must come before the extension scheme test because there
+  //   extensions can implement the NTP.

[Avi (use Gerrit), 2013/04/11 00:51:19]

"because extensions can implement the NTP"? Drop the "there"

+  // - The view-source test must come before the NTP test because of the case
   //   of view-source:chrome://newtab, which should display its URL despite what
-  //   chrome://newtab's WebUI says.
+  //   chrome://newtab says.
   NavigationController* controller = GetNavigationController();
   NavigationEntry* entry = controller ? controller->GetVisibleEntry() : NULL;
   if (entry) {
@@ -159,21 +158,23 @@
         entry->GetPageType() == content::PAGE_TYPE_INTERSTITIAL) {
       return true;
     }
-  }
 
-  WebContents* web_contents = delegate_->GetActiveWebContents();
-  if (web_contents && web_contents->GetWebUIForCurrentState())
-    return !web_contents->GetWebUIForCurrentState()->ShouldHideURL();
+    if (entry->GetURL().SchemeIs(chrome::kChromeUIScheme) &&
+        (entry->GetURL().host() == chrome::kChromeUINewTabHost ||
+         entry->GetURL().host() == chrome::kChromeUIExtensionActivityHost)) {
+      return false;
+    }
 
-  if (entry && entry->GetURL().SchemeIs(extensions::kExtensionScheme))
-    return false;
+    if (entry->GetURL().SchemeIs(extensions::kExtensionScheme))
+      return false;
 
 #if defined(OS_CHROMEOS)
-  if (entry && entry->GetURL().SchemeIs(chrome::kDriveScheme))
-    return false;
+    if (entry->GetURL().SchemeIs(chrome::kDriveScheme))
+      return false;
 #endif
+  }
 
-  if (chrome::IsInstantNTP(web_contents))
+  if (chrome::IsInstantNTP(delegate_->GetActiveWebContents()))
     return false;
 
   return true;