[Mac] First pass at multiple selection in the tabstrip.

chrome/browser/ui/cocoa/tabs/tab_view.mm

Index: chrome/browser/ui/cocoa/tabs/tab_view.mm
diff --git a/chrome/browser/ui/cocoa/tabs/tab_view.mm b/chrome/browser/ui/cocoa/tabs/tab_view.mm
index 85799f4598f4b4ee85473f778c6ae732cde9111b..fabf257148d2c7f44abe47bde4c53e0aaf346e72 100644
--- a/chrome/browser/ui/cocoa/tabs/tab_view.mm
+++ b/chrome/browser/ui/cocoa/tabs/tab_view.mm
@@ -257,11 +257,6 @@ const CGFloat kRapidCloseDist = 2.5;
     }
   }
 
-  // Fire the action to select the tab.
-  if ([[controller_ target] respondsToSelector:[controller_ action]])
-    [[controller_ target] performSelector:[controller_ action]
-                               withObject:self];
-
   [self resetDragControllers];
 
   // Resolve overlay back to original window.
@@ -547,6 +542,11 @@ const CGFloat kRapidCloseDist = 2.5;
   // The drag/click is done. If the user dragged the mouse, finalize the drag
   // and clean up.
 
+  // Fire the action to select the tab.
+  if ([[controller_ target] respondsToSelector:[controller_ action]])
+    [[controller_ target] performSelector:[controller_ action]
+                               withObject:self];
+
   // Special-case this to keep the logic below simpler.
   if (moveWindowOnDrag_)
     return;
@@ -747,7 +747,7 @@ const CGFloat kRapidCloseDist = 2.5;
 
   // Mimic the tab strip's bottom border, which consists of a dark border
   // and light highlight.
-  if (!selected) {
+  if (![controller_ active]) {
     [path addClip];
     NSRect borderRect = rect;
     borderRect.origin.y = 1;