Remove OriginChip code.

chrome/browser/ui/omnibox/omnibox_view.h

Index: chrome/browser/ui/omnibox/omnibox_view.h
diff --git a/chrome/browser/ui/omnibox/omnibox_view.h b/chrome/browser/ui/omnibox/omnibox_view.h
index 270e254dec59f9bd8a0aeb70b91f64e0eefc8bff..f60b155d4a620b9bd750469365d237a50a4e47d5 100644
--- a/chrome/browser/ui/omnibox/omnibox_view.h
+++ b/chrome/browser/ui/omnibox/omnibox_view.h
@@ -44,9 +44,6 @@ class OmniboxView {
   CommandUpdater* command_updater() { return command_updater_; }
   const CommandUpdater* command_updater() const { return command_updater_; }
 
-  // Handle mouse release events concerning the origin chip.
-  void HandleOriginChipMouseRelease();
-
   // Shared cross-platform focus handling.
   void OnDidKillFocus();
 
@@ -63,8 +60,8 @@ class OmniboxView {
   // Called when any relevant state changes other than changing tabs.
   virtual void Update() = 0;
 
-  // Updates the placeholder text with the value of GetHintText() if the
-  // origin chip is enabled.
+  // Updates the placeholder text with the value of GetHintText() if hint texts
+  // are enabled.
   virtual void UpdatePlaceholderText() = 0;
 
   // Asks the browser to load the specified match, using the supplied