Implement fullscreen info bubble on Win and Mac

chrome/browser/ui/cocoa/info_bubble_view.mm

Index: chrome/browser/ui/cocoa/info_bubble_view.mm
diff --git a/chrome/browser/ui/cocoa/info_bubble_view.mm b/chrome/browser/ui/cocoa/info_bubble_view.mm
index bc1204523148672b9d4c0b19ef34619207309e10..39799ef40e7b94fa2349fd1f1033a1288baead5a 100644
--- a/chrome/browser/ui/cocoa/info_bubble_view.mm
+++ b/chrome/browser/ui/cocoa/info_bubble_view.mm
@@ -21,7 +21,9 @@
 - (void)drawRect:(NSRect)rect {
   // Make room for the border to be seen.
   NSRect bounds = [self bounds];
-  bounds.size.height -= info_bubble::kBubbleArrowHeight;
+  if (arrowLocation_ != info_bubble::kNoArrow) {
+    bounds.size.height -= info_bubble::kBubbleArrowHeight;
+  }
   NSBezierPath* bezier = [NSBezierPath bezierPath];
   rect.size.height -= info_bubble::kBubbleArrowHeight;
 
@@ -40,6 +42,8 @@
       dX = NSWidth(bounds) - info_bubble::kBubbleArrowXOffset -
           info_bubble::kBubbleArrowWidth;
       break;
+    case info_bubble::kNoArrow:
+      break;
     default:
       NOTREACHED();
       break;
@@ -47,10 +51,12 @@
   NSPoint arrowStart = NSMakePoint(NSMinX(bounds), NSMaxY(bounds));
   arrowStart.x += dX;
   [bezier moveToPoint:NSMakePoint(arrowStart.x, arrowStart.y)];
-  [bezier lineToPoint:NSMakePoint(arrowStart.x +
-                                      info_bubble::kBubbleArrowWidth / 2.0,
-                                  arrowStart.y +
-                                      info_bubble::kBubbleArrowHeight)];
+  if (arrowLocation_ != info_bubble::kNoArrow) {
+    [bezier lineToPoint:NSMakePoint(arrowStart.x +
+                                        info_bubble::kBubbleArrowWidth / 2.0,
+                                    arrowStart.y +
+                                        info_bubble::kBubbleArrowHeight)];
+  }
   [bezier lineToPoint:NSMakePoint(arrowStart.x + info_bubble::kBubbleArrowWidth,
                                   arrowStart.y)];
   [bezier closePath];