Removing unused SetBrowserContext

content/browser/frame_host/navigation_controller_impl.cc

Index: content/browser/frame_host/navigation_controller_impl.cc
diff --git a/content/browser/frame_host/navigation_controller_impl.cc b/content/browser/frame_host/navigation_controller_impl.cc
index fe5cdcd0f764db3adaa7b8a7932f6907fb31d66d..cd4e5152f9dd7fda62cfb2af9e4447e38edaa022 100644
--- a/content/browser/frame_host/navigation_controller_impl.cc
+++ b/content/browser/frame_host/navigation_controller_impl.cc
@@ -249,25 +249,20 @@ NavigationControllerImpl::~NavigationControllerImpl() {
 }
 
 WebContents* NavigationControllerImpl::GetWebContents() const {
   return delegate_->GetWebContents();
 }
 
 BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
   return browser_context_;
 }
 
-void NavigationControllerImpl::SetBrowserContext(
-    BrowserContext* browser_context) {
-  browser_context_ = browser_context;
-}
-
 void NavigationControllerImpl::Restore(
     int selected_navigation,
     RestoreType type,
     std::vector<std::unique_ptr<NavigationEntry>>* entries) {
   // Verify that this controller is unused and that the input is valid.
   DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
   DCHECK(selected_navigation >= 0 &&
          selected_navigation < static_cast<int>(entries->size()));
 
   needs_reload_ = true;