More implementation details of extension content verification

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index fd12b351d1e52fe69baabce4ab9c84d1c3b4272b..f3f975d6057d61d600427a44bfb2d3c6ee77e40d 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -78,6 +78,7 @@
 using content::BrowserContext;
 using content::BrowserThread;
 using content::DevToolsAgentHost;
+using extensions::ContentVerifierKey;
 using extensions::CrxInstaller;
 using extensions::Extension;
 using extensions::ExtensionIdSet;
@@ -88,6 +89,7 @@ using extensions::FeatureSwitch;
 using extensions::InstallVerifier;
 using extensions::ManagementPolicy;
 using extensions::Manifest;
+using extensions::ManifestURL;
 using extensions::PermissionMessage;
 using extensions::PermissionMessages;
 using extensions::PermissionSet;
@@ -2395,7 +2397,26 @@ void ExtensionService::UpdateGreylistedExtensions(
   }
 }
 
-void ExtensionService::ContentVerifyFailed(const std::string& extension_id) {
+bool ExtensionService::ShouldBeVerified(const Extension& extension) {
+  return ((extension.is_extension() || extension.is_legacy_packaged_app()) &&
+          ManifestURL::UpdatesFromGallery(&extension) &&
+          Manifest::IsAutoUpdateableLocation(extension.location()));
+  return false;
+}
+
+const ContentVerifierKey& ExtensionService::PublicKey() {
+  static ContentVerifierKey key(
+      extension_misc::kWebstoreSignaturesPublicKey,
+      extension_misc::kWebstoreSignaturesPublicKeySize);
+  return key;
+}
+
+GURL ExtensionService::GetSignatureFetchUrl(const std::string& extension_id,
+                                            const base::Version& version) {
+  return GURL();
+}
+
+void ExtensionService::VerifyFailed(const std::string& extension_id) {
   DisableExtension(extension_id, Extension::DISABLE_CORRUPTED);
 }