message: Clarify writesToGlobalSettingsObjects
diff: @@ -165,7 +165,7 @@ export class DocumentConverter {
  const file = recast.parse(script.parsedDocument.contents);
  this.program = file.program;
  - if (this.writesToGlobalSettingsObjects()) {
  + if (this.containsWriteToGlobalSettingsObject()) {
  continue;
  }
  @@ -235,8 +235,10 @@ export class DocumentConverter {
  }];
  }
  - private writesToGlobalSettingsObjects() {
  + private containsWriteToGlobalSettingsObject() {
  let containsWriteToGlobalSettingsObject = false;
  + // Note that we look for writes to these objects exactly, not to writes to
  + // members of these objects.
  const globalSettingsObjects =
  new Set<string>(['Polymer', 'Polymer.Settings', 'ShadyDOM']);
  