Refactor SecurityStateModel/Clients for simplicity and reusability.

chrome/browser/ui/android/usb_chooser_dialog_android.cc

Index: chrome/browser/ui/android/usb_chooser_dialog_android.cc
diff --git a/chrome/browser/ui/android/usb_chooser_dialog_android.cc b/chrome/browser/ui/android/usb_chooser_dialog_android.cc
index 19bba9c4afd9ba76d78f24fa782fd3474573044f..d3c17372420314ccede9c26cb86854741ca51e2c 100644
--- a/chrome/browser/ui/android/usb_chooser_dialog_android.cc
+++ b/chrome/browser/ui/android/usb_chooser_dialog_android.cc
@@ -13,7 +13,7 @@
 #include "base/bind.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ssl/chrome_security_state_model_client.h"
+#include "chrome/browser/ssl/security_state_tab_helper.h"
 #include "chrome/browser/usb/usb_chooser_context.h"
 #include "chrome/browser/usb/usb_chooser_context_factory.h"
 #include "chrome/browser/usb/web_usb_histograms.h"
@@ -77,11 +77,11 @@ UsbChooserDialogAndroid::UsbChooserDialogAndroid(
       base::android::ConvertUTF16ToJavaString(
           env, url_formatter::FormatUrlForSecurityDisplay(GURL(
                    render_frame_host->GetLastCommittedOrigin().Serialize())));
-  ChromeSecurityStateModelClient* security_model_client =
-      ChromeSecurityStateModelClient::FromWebContents(web_contents);
-  DCHECK(security_model_client);
+  SecurityStateTabHelper* helper =
+      SecurityStateTabHelper::FromWebContents(web_contents);
+  DCHECK(helper);
   security_state::SecurityStateModel::SecurityInfo security_info;
-  security_model_client->GetSecurityInfo(&security_info);
+  helper->GetSecurityInfo(&security_info);
   java_dialog_.Reset(Java_UsbChooserDialog_create(
       env, window_android, origin_string, security_info.security_level,
       reinterpret_cast<intptr_t>(this)));