Remove ChromeBrowserProvider::GetFaviconForURL().

ios/chrome/browser/ui/webui/crashes_ui.h

Index: ios/chrome/browser/ui/webui/crashes_ui.h
diff --git a/ios/chrome/browser/ui/webui/crashes_ui.h b/ios/chrome/browser/ui/webui/crashes_ui.h
index 3eae05846fada79c5acca8aa6a897677d7ec2386..91b351314cf3232c646a5b37ef0772937651f775 100644
--- a/ios/chrome/browser/ui/webui/crashes_ui.h
+++ b/ios/chrome/browser/ui/webui/crashes_ui.h
@@ -7,11 +7,6 @@
 
 #include "base/macros.h"
 #include "ios/web/public/webui/web_ui_ios_controller.h"
-#include "ui/base/layout.h"
-
-namespace base {
-class RefCountedMemory;
-}
 
 namespace web {
 class WebUIIOS;
@@ -21,9 +16,6 @@ class CrashesUI : public web::WebUIIOSController {
  public:
   explicit CrashesUI(web::WebUIIOS* web_ui);
 
-  static base::RefCountedMemory* GetFaviconResourceBytes(
-      ui::ScaleFactor scale_factor);
-
  private:
   DISALLOW_COPY_AND_ASSIGN(CrashesUI);
 };