Clean content_settings_pattern_parser.* from unnecessary dependencies.

chrome/browser/content_settings/content_settings_details.h

Index: chrome/browser/content_settings/content_settings_details.h
diff --git a/chrome/browser/content_settings/content_settings_details.h b/chrome/browser/content_settings/content_settings_details.h
index 523f9dedb140e74d32313430194ded8952a846b0..373b475e9acd518e3c6968c86641ab2e70e84e6a 100644
--- a/chrome/browser/content_settings/content_settings_details.h
+++ b/chrome/browser/content_settings/content_settings_details.h
@@ -36,10 +36,7 @@ class ContentSettingsDetails {
   }
 
   // True if all settings should be updated for the given type.
-  bool update_all() const {
-    return primary_pattern_.ToString().empty() &&
-           secondary_pattern_.ToString().empty();
-  }
+  bool update_all() const;
 
   // The type of the pattern whose settings have changed.
   ContentSettingsType type() const { return type_; }