Disable modifying extensions when in managed mode.

chrome/browser/managed_mode_unittest.cc

Index: chrome/browser/managed_mode_unittest.cc
===================================================================
--- chrome/browser/managed_mode_unittest.cc	(revision 141651)
+++ chrome/browser/managed_mode_unittest.cc	(working copy)
@@ -36,12 +36,20 @@
     EnterManagedModeImpl(profile, callback);
   }
 
+  void ForceManagedModeForTesting(Profile* profile) {
+    SetInManagedMode(true, profile);
+  }
+
   // ManagedMode overrides:
-  virtual bool IsInManagedModeImpl() OVERRIDE {
+  virtual bool IsInManagedModeImpl() const OVERRIDE {
     return in_managed_mode_;
   }
 
-  virtual void SetInManagedMode(bool in_managed_mode) OVERRIDE {
+  virtual void SetInManagedMode(bool in_managed_mode,
+                                Profile* newly_managed_profile) OVERRIDE {
+    if (in_managed_mode)
+      ASSERT_TRUE(newly_managed_profile);
+    managed_profile_ = newly_managed_profile;
     in_managed_mode_ = in_managed_mode;
   }
 
@@ -96,7 +104,7 @@
   }
 
   void CheckManagedMode(bool success) {
-    EXPECT_EQ(managed_mode_->IsInManagedModeImpl(), success);
+    EXPECT_EQ(success, managed_mode_->IsInManagedModeImpl());
     DidEnterManagedMode(success);
   }
 
@@ -151,8 +159,9 @@
   BrowserFixture managed_mode_browser(&managed_mode_, &managed_mode_profile_);
   BrowserFixture other_browser(&managed_mode_, &other_profile_);
 
-  // If we're already in managed mode, entering should immediately succeed.
-  managed_mode_.SetInManagedMode(true);
+  // If we're already in managed mode in this profile, entering should
+  // immediately succeed.
+  managed_mode_.ForceManagedModeForTesting(&managed_mode_profile_);
   managed_mode_.EnterManagedModeForTesting(&managed_mode_profile_,
                                            CreateExpectedCallback(true));
 }
@@ -228,3 +237,16 @@
   managed_mode_.EnterManagedModeForTesting(&managed_mode_profile_,
                                            CreateExpectedCallback(false));
 }
+
+TEST_F(ManagedModeTest, ExtensionManagementPolicyProvider) {
+  BrowserFixture managed_mode_browser(&managed_mode_, &managed_mode_profile_);
+
+  EXPECT_TRUE(managed_mode_.UserMayLoad(NULL, NULL));
+  EXPECT_TRUE(managed_mode_.UserMayModifySettings(NULL, NULL));
+
+  managed_mode_.ForceManagedModeForTesting(&managed_mode_profile_);
+  EXPECT_FALSE(managed_mode_.UserMayLoad(NULL, NULL));
+  EXPECT_FALSE(managed_mode_.UserMayModifySettings(NULL, NULL));
+
+  EXPECT_FALSE(managed_mode_.GetDebugPolicyProviderName().empty());
+}