Move SafeBrowsingUIManager::UnsafeResource to security_interstitials namespace

components/security_interstitials/core/BUILD.gn

Index: components/security_interstitials/core/BUILD.gn
diff --git a/components/security_interstitials/core/BUILD.gn b/components/security_interstitials/core/BUILD.gn
index dbd5bccad1213454bd8f96c46f888b01992517bd..ba8bc580ecd3e90121174512b65e9f87df1e58dd 100644
--- a/components/security_interstitials/core/BUILD.gn
+++ b/components/security_interstitials/core/BUILD.gn
@@ -14,6 +14,8 @@ static_library("core") {
     "metrics_helper.h",
     "ssl_error_ui.cc",
     "ssl_error_ui.h",
+    "unsafe_resource.cc",
+    "unsafe_resource.h",
   ]
 
   deps = [
@@ -24,10 +26,25 @@ static_library("core") {
     "//components/metrics",
     "//components/prefs",
     "//components/rappor",
+    "//components/safe_browsing_db:hit_report",
+    "//components/safe_browsing_db:util",
     "//components/ssl_errors",
     "//components/strings",
     "//components/url_formatter",
+    "//content/public/browser",
     "//net",
     "//ui/base",
   ]
+
+  if (is_ios) {
+    sources -= [
+      "unsafe_resource.cc",
+      "unsafe_resource.h",
+    ]
+    deps -= [
+      "//components/safe_browsing_db:hit_report",
+      "//components/safe_browsing_db:util",
+      "//content/public/browser",
+    ]
+  }
 }