Implement policy for controlling "Show Home Button" preference.

Preferences.xib changes: Connect the Enabled pin of the "Show home button" checkbox to PreferencesWindowController's showHomeButtonEnabled @property.

BUG=49603
TEST=manual

Review URL: http://codereview.chromium.org/3171022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57167 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 7 insertions, 0 deletions

diff --git a/chrome/browser/cocoa/preferences_window_controller.h b/chrome/browser/cocoa/preferences_window_controller.h
index ffb6c1c..239afe0 100644
--- a/chrome/browser/cocoa/preferences_window_controller.h
+++ b/chrome/browser/cocoa/preferences_window_controller.h
@@ -90,6 +90,7 @@ class ProfileSyncService;
   scoped_nsobject<SearchEngineListModel> searchEngineModel_;
   // Used when creating a new home page url to make the new cell editable.
   BOOL pendingSelectForEdit_;
+  BOOL showHomeButtonEnabled_;
 
   // User Data panel
   BooleanPrefMember askSavePasswords_;
@@ -174,6 +175,7 @@ class ProfileSyncService;
 // Usable from cocoa bindings to hook up the custom home pages table.
 @property (nonatomic, readonly) CustomHomePagesModel* customPagesSource;
 @property (assign, nonatomic) BOOL proxiesConfigureButtonEnabled;
+@property (assign, nonatomic) BOOL showHomeButtonEnabled;
 
 @end
 
diff --git a/chrome/browser/cocoa/preferences_window_controller.mm b/chrome/browser/cocoa/preferences_window_controller.mm
index f0e6aa0..30d8baf 100644
--- a/chrome/browser/cocoa/preferences_window_controller.mm
+++ b/chrome/browser/cocoa/preferences_window_controller.mm
@@ -418,6 +418,7 @@ class ManagedPrefsBannerState : public ManagedPrefsBannerBase {
 
 @implementation PreferencesWindowController
 
+@synthesize showHomeButtonEnabled = showHomeButtonEnabled_;
 @synthesize proxiesConfigureButtonEnabled = proxiesConfigureButtonEnabled_;
 
 - (id)initWithProfile:(Profile*)profile initialPage:(OptionsPage)initialPage {
@@ -492,6 +493,9 @@ class ManagedPrefsBannerState : public ManagedPrefsBannerBase {
     proxyPrefs_.reset(
         PrefSetObserver::CreateProxyPrefSetObserver(prefs_, observer_.get()));
     [self setProxiesConfigureButtonEnabled:!proxyPrefs_->IsManaged()];
+
+    // Initialize show home button checkbox enabled state.
+    [self setShowHomeButtonEnabled:!showHomeButton_.IsManaged()];
   }
   return self;
 }
@@ -899,6 +903,7 @@ class ManagedPrefsBannerState : public ManagedPrefsBannerBase {
 
   if (*prefName == prefs::kShowHomeButton) {
     [self setShowHomeButton:showHomeButton_.GetValue() ? YES : NO];
+    [self setShowHomeButtonEnabled:!showHomeButton_.IsManaged()];
   }
 }