[OriginChip] Add options for the position of the origin chip.

chrome/browser/search/search.h

Index: chrome/browser/search/search.h
diff --git a/chrome/browser/search/search.h b/chrome/browser/search/search.h
index f76635bc2926f303538fdb3d40f8e9b43177f88d..7102d10b0d5eaaa73769810cfec4c3df38a843ae 100644
--- a/chrome/browser/search/search.h
+++ b/chrome/browser/search/search.h
@@ -48,6 +48,14 @@ enum DisplaySearchButtonConditions {
   DISPLAY_SEARCH_BUTTON_NUM_VALUES,
 };
 
+enum OriginChipPosition {
+  ORIGIN_CHIP_DISABLED,
+  ORIGIN_CHIP_LEFT_OF_LOCATION_BAR,
+  ORIGIN_CHIP_RIGHT_OF_LOCATION_BAR,
+  ORIGIN_CHIP_LEFT_OF_MENU,
+  ORIGIN_CHIP_NUM_VALUES,
+};
+
 // Use this value for "start margin" to prevent the "es_sm" parameter from
 // being used.
 extern const int kDisableStartMargin;
@@ -159,10 +167,14 @@ bool ShouldShowInstantNTP();
 // ToolbarModel::WouldPerformSearchTermReplacement().
 DisplaySearchButtonConditions GetDisplaySearchButtonConditions();
 
-// Returns true if the origin chip should be shown next to the omnibox. This
+// Returns true if the origin chip should be shown in the toolbar. This
 // also includes the related changes to the omnibox.
 bool ShouldDisplayOriginChip();
 
+// Returns a value indicating where the origin chip should be positioned on the
+// toolbar.
+OriginChipPosition GetOriginChipPosition();
+
 // Transforms the input |url| into its "effective URL". The returned URL
 // facilitates grouping process-per-site. The |url| is transformed, for
 // example, from