Permissions: Show the reason for permission decisions made on the user's behalf.

chrome/browser/ui/cocoa/page_info/website_settings_bubble_controller.mm

Index: chrome/browser/ui/cocoa/page_info/website_settings_bubble_controller.mm
diff --git a/chrome/browser/ui/cocoa/page_info/website_settings_bubble_controller.mm b/chrome/browser/ui/cocoa/page_info/website_settings_bubble_controller.mm
index 585b90f1c4b98c0acb67daf76497ceb237dc8aaf..6ebc3ee1ed570d4837c3391c25e9ac26279c801f 100644
--- a/chrome/browser/ui/cocoa/page_info/website_settings_bubble_controller.mm
+++ b/chrome/browser/ui/cocoa/page_info/website_settings_bubble_controller.mm
@@ -95,6 +95,9 @@ const CGFloat kPermissionDeleteImageSize = 16;
 // The spacing between individual permissions.
 const CGFloat kPermissionsVerticalSpacing = 16;
 
+// The spacing between permissions and their decision description labels.
+const CGFloat kPermissionsDecisionVerticalSpacing = 4;
+
 // Amount to lower each permission icon to align the icon baseline with the
 // label text.
 const CGFloat kPermissionIconYAdjustment = 1;
@@ -911,8 +914,24 @@ bool IsInternalURL(const GURL& url) {
     [button setEnabled:NO];
   }
 
+  // Show the permission decision reason, if it was not the user.

[dominickn, 2017/03/26 23:46:24]

"Show the reason for the permission decision in a new row if it did not come
from the user"?

[Patti Lor, 2017/03/27 05:52:40]

Done.

   NSRect buttonFrame = [button frame];
-  return NSMakePoint(NSMaxX(buttonFrame), NSMaxY(buttonFrame));
+  int maxY = NSMaxY(buttonFrame);
+  base::string16 reason = WebsiteSettingsUI::PermissionDecisionReasonToString(
+      [self profile], permissionInfo, url_);
+  if (!reason.empty()) {
+    point.y = position.y + kPermissionsDecisionVerticalSpacing +
+              label.frame.size.height;
+    label = [self addText:reason
+                 withSize:[NSFont systemFontSize]
+                     bold:NO
+                   toView:view
+                  atPoint:point];
+    label.textColor = skia::SkColorToSRGBNSColor(SK_ColorGRAY);
+    maxY += label.frame.size.height;
+  }
+
+  return NSMakePoint(NSMaxX(buttonFrame), maxY);
 }
 
 // Adds a new row to the UI listing the permissions. Returns the NSPoint of the