Change MojoWebUIController to use mojo::StrongBindingSet.

chrome/browser/ui/webui/omnibox/omnibox_ui_handler.h

Index: chrome/browser/ui/webui/omnibox/omnibox_ui_handler.h
diff --git a/chrome/browser/ui/webui/omnibox/omnibox_ui_handler.h b/chrome/browser/ui/webui/omnibox/omnibox_ui_handler.h
index 4f9b66ac0ecf4be4f5f10c9d80c47393f7e61d6f..d2de791ae303f9679612167f1c91f79254231cc1 100644
--- a/chrome/browser/ui/webui/omnibox/omnibox_ui_handler.h
+++ b/chrome/browser/ui/webui/omnibox/omnibox_ui_handler.h
@@ -9,12 +9,14 @@
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
-#include "chrome/browser/ui/webui/mojo_web_ui_handler.h"
 #include "chrome/browser/ui/webui/omnibox/omnibox.mojom.h"
 #include "components/omnibox/browser/autocomplete_controller_delegate.h"
 #include "components/omnibox/browser/autocomplete_input.h"
 #include "components/omnibox/browser/autocomplete_match.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
+
+namespace content {
+class WebUI;
+}
 
 class AutocompleteController;
 class Profile;
@@ -24,12 +26,9 @@ class Profile;
 // AutocompleteController to OnResultChanged() and passes those results to
 // the OmniboxPage.
 class OmniboxUIHandler : public AutocompleteControllerDelegate,
-                         public OmniboxUIHandlerMojo,
-                         public MojoWebUIHandler {
+                         public OmniboxUIHandlerMojo {
  public:
-  // OmniboxUIHandler is deleted when the supplied pipe is destroyed.
-  OmniboxUIHandler(Profile* profile,
-                   mojo::InterfaceRequest<OmniboxUIHandlerMojo> request);
+  explicit OmniboxUIHandler(content::WebUI* web_ui);
   ~OmniboxUIHandler() override;
 
   // AutocompleteControllerDelegate overrides:
@@ -68,11 +67,9 @@ class OmniboxUIHandler : public AutocompleteControllerDelegate,
   // Handle back to the page by which we can pass results.
   OmniboxPagePtr page_;
 
-  // The Profile* handed to us in our constructor.
+  // The Profile* for the content::WebUI handed to us in our constructor.
   Profile* profile_;
 
-  mojo::StrongBinding<OmniboxUIHandlerMojo> binding_;
-
   DISALLOW_COPY_AND_ASSIGN(OmniboxUIHandler);
 };