Beginning of support for extension content verification

chrome/browser/extensions/extension_system_impl.h

Index: chrome/browser/extensions/extension_system_impl.h
diff --git a/chrome/browser/extensions/extension_system_impl.h b/chrome/browser/extensions/extension_system_impl.h
index 90c8c820965c4ea2cab1bdfb2d1ae9df3eadabaa..27aa2e7e05b4d846adf68ad6867cb31066fc9a97 100644
--- a/chrome/browser/extensions/extension_system_impl.h
+++ b/chrome/browser/extensions/extension_system_impl.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_IMPL_H_
 
+#include "extensions/browser/content_verifier.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/one_shot_event.h"
 
@@ -12,6 +13,7 @@ class Profile;
 
 namespace extensions {
 
+class ContentVerifier;
 class ExtensionSystemSharedFactory;
 class ExtensionWarningBadgeService;
 class NavigationObserver;
@@ -57,13 +59,14 @@ class ExtensionSystemImpl : public ExtensionSystem {
       const UnloadedExtensionInfo::Reason reason) OVERRIDE;
 
   virtual const OneShotEvent& ready() const OVERRIDE;
+  virtual ContentVerifier* content_verifier() OVERRIDE;  // shared
 
  private:
   friend class ExtensionSystemSharedFactory;
 
   // Owns the Extension-related systems that have a single instance
   // shared between normal and incognito profiles.
-  class Shared : public KeyedService {
+  class Shared : public KeyedService, public ContentVerifierObserver {
    public:
     explicit Shared(Profile* profile);
     virtual ~Shared();
@@ -77,6 +80,9 @@ class ExtensionSystemImpl : public ExtensionSystem {
     // KeyedService implementation.
     virtual void Shutdown() OVERRIDE;
 
+    // ContentVerifierObserver implementation.
+    virtual void ContentVerifyFailed(const std::string& extension_id) OVERRIDE;
+
     StateStore* state_store();
     StateStore* rules_store();
     ExtensionService* extension_service();
@@ -92,6 +98,7 @@ class ExtensionSystemImpl : public ExtensionSystem {
     InstallVerifier* install_verifier();
     QuotaService* quota_service();
     const OneShotEvent& ready() const { return ready_; }
+    ContentVerifier* content_verifier();
 
    private:
     Profile* profile_;
@@ -122,6 +129,9 @@ class ExtensionSystemImpl : public ExtensionSystem {
     scoped_ptr<InstallVerifier> install_verifier_;
     scoped_ptr<QuotaService> quota_service_;
 
+    // For verifying the contents of extensions read from disk.
+    scoped_refptr<ContentVerifier> content_verifier_;
+
 #if defined(OS_CHROMEOS)
     scoped_ptr<chromeos::DeviceLocalAccountManagementPolicyProvider>
         device_local_account_management_policy_provider_;