Remove some pre-MD code from toolbar/tabstrip/frame.

chrome/browser/ui/layout_constants.h

Index: chrome/browser/ui/layout_constants.h
diff --git a/chrome/browser/ui/layout_constants.h b/chrome/browser/ui/layout_constants.h
index 5340e6744b1cafff84570aa63fc57e2005627dfe..b9d6ea56fe8888ae7d2eb7b93f90cfc741b30f4a 100644
--- a/chrome/browser/ui/layout_constants.h
+++ b/chrome/browser/ui/layout_constants.h
@@ -54,13 +54,6 @@ enum LayoutConstant {
   // The amount of overlap between two adjacent tabs.
   TABSTRIP_TAB_OVERLAP,
 
-  // The vertical overlap of the tabstrip atop the toolbar.
-  TABSTRIP_TOOLBAR_OVERLAP,
-
-  // The amount by which the tab close button should overlap the trailing
-  // padding region after the tab's contents region.
-  TAB_CLOSE_BUTTON_TRAILING_PADDING_OVERLAP,
-
   // The horizontal space between a tab's favicon and its title.
   TAB_FAVICON_TITLE_SPACING,
 
@@ -72,19 +65,6 @@ enum LayoutConstant {
   // Width available for content inside a pinned tab.
   TAB_PINNED_CONTENT_WIDTH,
 
-  // Height of the region atop the tab bounds that is normally excluded when
-  // calculating the tab hit test region or considering where to paint a
-  // custom theme background.  (Based on theme behavior it seems like at some
-  // point this was added to the area above the top of the tab images, and we
-  // now need to subtract it back off to compensate.)
-  TAB_TOP_EXCLUSION_HEIGHT,
-
-  // Non-ash uses a rounded content area with no shadow in the assets.
-  // Ash doesn't use a rounded content area and its top edge has an extra
-  // shadow.
-  TOOLBAR_CONTENT_SHADOW_HEIGHT,
-  TOOLBAR_CONTENT_SHADOW_HEIGHT_ASH,
-
   // Additional horizontal padding between the elements in the toolbar.
   TOOLBAR_ELEMENT_PADDING,