Adding logging of offstore extensions state to user metrics.

chrome/browser/extensions/install_verifier.h

Index: chrome/browser/extensions/install_verifier.h
diff --git a/chrome/browser/extensions/install_verifier.h b/chrome/browser/extensions/install_verifier.h
index 47b44077842a9e1b5e1f2cb670a20fdcf4da22a8..fd3dc670fccedb818cd833ad854ab44ca1f13099 100644
--- a/chrome/browser/extensions/install_verifier.h
+++ b/chrome/browser/extensions/install_verifier.h
@@ -48,6 +48,9 @@ class InstallVerifier : public ManagementPolicy::Provider {
   // Returns whether |extension| is of a type that needs verification.
   static bool NeedsVerification(const Extension& extension);
 
+  // Determines if an extension claims to be from the webstore.
+  static bool FromStore(const Extension& extension);

[Devlin, 2014/08/13 19:50:07]

nit: Let's actually make this "IsFromStore".

[jwd, 2014/08/13 20:22:06]

Done.

+
   // Initializes this object for use, including reading preferences and
   // validating the stored signature.
   void Init();
@@ -57,7 +60,11 @@ class InstallVerifier : public ManagementPolicy::Provider {
 
   // Returns true if |id| is either verified or our stored signature explicitly
   // tells us that it was invalid when we asked the server about it.
-  bool IsKnownId(const std::string& id);
+  bool IsKnownId(const std::string& id) const;
+
+  // Returns whether the given |id| is considered invalid by our verified
+  // signature.
+  bool IsInvalid(const std::string& id) const;
 
   // Attempts to verify a single extension and add it to the verified list.
   void VerifyExtension(const std::string& extension_id);
@@ -73,6 +80,9 @@ class InstallVerifier : public ManagementPolicy::Provider {
   void Remove(const std::string& id);
   void RemoveMany(const ExtensionIdSet& ids);
 
+  // Returns whether an extension id is allowed by policy.
+  bool AllowedByEnterprisePolicy(const std::string& id) const;
+
   // ManagementPolicy::Provider interface.
   virtual std::string GetDebugPolicyProviderName() const OVERRIDE;
   virtual bool MustRemainDisabled(const Extension* extension,
@@ -118,9 +128,6 @@ class InstallVerifier : public ManagementPolicy::Provider {
   // Removes any no-longer-installed ids, requesting a new signature if needed.
   void GarbageCollect();
 
-  // Returns whether an extension id is allowed by policy.
-  bool AllowedByEnterprisePolicy(const std::string& id) const;
-
   // Returns whether the given |id| is included in our verified signature.
   bool IsVerified(const std::string& id) const;