Give request-to-act badges a grey background, and increase spacing to make it fit.

chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm

Index: chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm b/chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm
index 7f86cde2e86ba19236733f9b3df88f32726c5fff..59b69da4e342e9b168c7c9e59bd5764536532d22 100644
--- a/chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm
+++ b/chrome/browser/ui/cocoa/location_bar/page_action_decoration.mm
@@ -18,7 +18,9 @@
 #import "chrome/browser/ui/cocoa/extensions/extension_action_context_menu.h"
 #import "chrome/browser/ui/cocoa/extensions/extension_popup_controller.h"
 #include "chrome/browser/ui/cocoa/last_active_browser_cocoa.h"
+#import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_cell.h"
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
+#include "chrome/browser/ui/omnibox/extension_action_util.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/webui/extensions/extension_info_ui.h"
 #include "chrome/common/chrome_notification_types.h"
@@ -27,6 +29,7 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 #include "skia/ext/skia_utils_mac.h"
+#include "ui/gfx/canvas_skia_paint.h"
 
 using content::WebContents;
 using extensions::Extension;
@@ -94,6 +97,25 @@ CGFloat PageActionDecoration::GetWidthForSpace(CGFloat width) {
   return Extension::kPageActionIconMaxSize;
 }
 
+void PageActionDecoration::DrawInFrame(NSRect frame, NSView* control_view) {
+  {
+    CGFloat horiz_padding = [AutocompleteTextFieldCell decorationHorizontalPad];
+    frame = NSInsetRect(frame, -(horiz_padding + 1) / 2, 2);
+    gfx::Rect bounds(NSRectToCGRect(frame));
+    gfx::CanvasSkiaPaint canvas(frame, /*opaque=*/false);
+    // set_composite_alpha(true) makes the extension action paint on top of the
+    // location bar instead of whatever's behind the Chrome window.
+    canvas.set_composite_alpha(true);
+    extensions::PaintExtensionActionBackground(
+        *page_action_, current_tab_id_,
+        &canvas, bounds,
+        SK_ColorBLACK, SK_ColorWHITE);
+    // Destroying |canvas| draws the background.
+  }
+
+  ImageDecoration::DrawInFrame(frame, control_view);
+}
+
 bool PageActionDecoration::AcceptsMousePress() {
   return true;
 }