Move ZoomObserver, ZoomController and ZoomEventManager to components/.

chrome/browser/ui/autofill/chrome_autofill_client.cc

Index: chrome/browser/ui/autofill/chrome_autofill_client.cc
diff --git a/chrome/browser/ui/autofill/chrome_autofill_client.cc b/chrome/browser/ui/autofill/chrome_autofill_client.cc
index c008944acd3757ab1d46bef5e3e951b49b2129ad..35fa2df12a35e316fe790818d4ff3408992ca0c7 100644
--- a/chrome/browser/ui/autofill/chrome_autofill_client.cc
+++ b/chrome/browser/ui/autofill/chrome_autofill_client.cc
@@ -31,7 +31,7 @@
 #include "chrome/browser/android/chromium_application.h"
 #include "chrome/browser/ui/android/autofill/autofill_logger_android.h"
 #else
-#include "chrome/browser/ui/zoom/zoom_controller.h"
+#include "extensions/browser/ui/zoom/zoom_controller.h"
 #endif
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(autofill::ChromeAutofillClient);
@@ -48,8 +48,8 @@ ChromeAutofillClient::ChromeAutofillClient(content::WebContents* web_contents)
   // WebContentsObservers is not guaranteed. ZoomController silently clears
   // its ZoomObserver list during WebContentsDestroyed() so there's no need
   // to explicitly remove ourselves on destruction.
-  ZoomController* zoom_controller =
-      ZoomController::FromWebContents(web_contents);
+  extensions::ZoomController* zoom_controller =
+      extensions::ZoomController::FromWebContents(web_contents);
   // There may not always be a ZoomController, e.g. in tests.
   if (zoom_controller)
     zoom_controller->AddObserver(this);
@@ -200,7 +200,7 @@ void ChromeAutofillClient::WebContentsDestroyed() {
 }
 
 void ChromeAutofillClient::OnZoomChanged(
-    const ZoomController::ZoomChangedEventData& data) {
+    const extensions::ZoomController::ZoomChangedEventData& data) {
   HideAutofillPopup();
 }