Bring up a content settings icon for ungestured registerProtocolHandler call.

chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm

Index: chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm b/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm
index 8e96c6d70202cdc248a65c34074141756fd22c99..779ecef91b12c2843999a3443e68252e5c44bf25 100644
--- a/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm
+++ b/chrome/browser/ui/cocoa/content_settings/content_setting_bubble_cocoa.mm
@@ -93,6 +93,7 @@ NSTextField* LabelWithFrame(NSString* text, const NSRect& frame) {
 - (void)initializeRadioGroup;
 - (void)initializePopupList;
 - (void)initializeGeoLists;
+- (void)initializeProtocolHandlers;
 - (void)sizeToFitLoadButton;
 - (void)sizeToFitManageDoneButtons;
 - (void)removeInfoButton;
@@ -137,6 +138,8 @@ NSTextField* LabelWithFrame(NSString* text, const NSRect& frame) {
       nibPath = @"ContentBlockedGeolocation"; break;
     case CONTENT_SETTINGS_TYPE_MIXEDSCRIPT:
       nibPath = @"ContentBlockedMixedScript"; break;
+    case CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS:
+      nibPath = @"ContentProtocolHandlers"; break;
     default:
       NOTREACHED();
   }
@@ -400,6 +403,34 @@ NSTextField* LabelWithFrame(NSString* text, const NSRect& frame) {
   [contentsContainer_ setFrame:containerFrame];
 }
 
+- (void)initializeProtocolHandlers {

[Bernhard Bauer, 2012/07/02 23:13:15]

I think you could generalize |initializeRadioGroup| to deal with arbitrarily
many radio items, then use that method instead?

[Greg Billock, 2012/07/03 20:33:03]

Done.

+  // Configure the radio group. For now, only deal with the
+  // strictly needed case of group containing 2 radio buttons.
+  const ContentSettingBubbleModel::RadioGroup& radio_group =
+      contentSettingBubbleModel_->bubble_content().radio_group;
+
+  // Select appropriate radio button.
+  [allowBlockRadioGroup_ selectCellWithTag: radio_group.default_item];
+
+  const ContentSettingBubbleModel::RadioItems& radio_items =
+      radio_group.radio_items;
+  // Set radio group labels from model.
+  for (size_t ii = 0; ii < radio_group.radio_items.size(); ++ii) {
+    NSCell* radioCell = [allowBlockRadioGroup_ cellAtRow:ii column:0];
+    [radioCell setTitle:base::SysUTF8ToNSString(radio_items[0])];
+  }
+
+  // Layout radio group labels post-localization.
+  [GTMUILocalizerAndLayoutTweaker
+      wrapRadioGroupForWidth:allowBlockRadioGroup_];
+  CGFloat radioDeltaY = [GTMUILocalizerAndLayoutTweaker
+      sizeToFitView:allowBlockRadioGroup_].height;
+  NSRect windowFrame = [[self window] frame];
+  windowFrame.size.height += radioDeltaY;
+  [[self window] setFrame:windowFrame display:NO];
+}
+
+
 - (void)sizeToFitLoadButton {
   const ContentSettingBubbleModel::BubbleContent& content =
       contentSettingBubbleModel_->bubble_content();
@@ -446,6 +477,12 @@ NSTextField* LabelWithFrame(NSString* text, const NSRect& frame) {
     [self sizeToFitLoadButton];
     [self initializeBlockedPluginsList];
   }
+
+  if (type == CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS) {
+    [self initializeProtocolHandlers];
+    return;
+  }
+
   if (allowBlockRadioGroup_)  // not bound in cookie bubble xib
     [self initializeRadioGroup];
 
@@ -460,8 +497,7 @@ NSTextField* LabelWithFrame(NSString* text, const NSRect& frame) {
 
 - (IBAction)allowBlockToggled:(id)sender {
   NSButtonCell *selectedCell = [sender selectedCell];
-  contentSettingBubbleModel_->OnRadioClicked(
-      [selectedCell tag] == kAllowTag ? 0 : 1);
+  contentSettingBubbleModel_->OnRadioClicked([selectedCell tag] - 1);
 }
 
 - (void)popupLinkClicked:(id)sender {