Implement badges for page actions. Also add badge text color API.

chrome/browser/extensions/extension_browser_actions_api.cc

Index: chrome/browser/extensions/extension_browser_actions_api.cc
diff --git a/chrome/browser/extensions/extension_browser_actions_api.cc b/chrome/browser/extensions/extension_browser_actions_api.cc
index 5cf68e8e4d1829278e7713e5f42f03c0073caa5b..6c83ee0cc820adf175a2b91b7a8c3e8dbc6fe7c1 100644
--- a/chrome/browser/extensions/extension_browser_actions_api.cc
+++ b/chrome/browser/extensions/extension_browser_actions_api.cc
@@ -115,8 +115,8 @@ bool BrowserActionSetBadgeBackgroundColorFunction::RunImpl() {
     EXTENSION_FUNCTION_VALIDATE(list->GetInteger(i, &color_array[i]));
   }
 
-  SkColor color = SkColorSetARGB(color_array[0], color_array[1], color_array[2],
-                                 color_array[3]);
+  SkColor color = SkColorSetARGB(color_array[3], color_array[0], color_array[1],
+                                 color_array[2]);
 
   Extension* extension = dispatcher()->GetExtension();
   if (!extension->browser_action()) {