[Mac] Convert the page info window to a bubble.

chrome/browser/cocoa/location_bar/location_icon_decoration.mm

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <cmath>
 
 #import "chrome/browser/cocoa/location_bar/location_icon_decoration.h"
 
 #include "base/sys_string_conversions.h"
 #import "chrome/browser/cocoa/location_bar/location_bar_view_mac.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 
+// The info-bubble point should look like it points to the point
+// between the star's lower tips. The popup should be where the
+// Omnibox popup ends up (2px below field). Determined via Pixie.app
+// magnification.
+const CGFloat kBubblePointYOffset = 2.0;
+
 LocationIconDecoration::LocationIconDecoration(LocationBarViewMac* owner)
     : owner_(owner) {
 }
 LocationIconDecoration::~LocationIconDecoration() {
 }
 
 bool LocationIconDecoration::IsDraggable() {
   // Without a tab it will be impossible to get the information needed
   // to perform a drag.
   if (!owner_->GetTabContents())
@@ skipping 14 matching lines @@
   NSString* url = base::SysUTF8ToNSString(tab->GetURL().spec());
   NSString* title = base::SysUTF16ToNSString(tab->GetTitle());
 
   NSPasteboard* pboard = [NSPasteboard pasteboardWithName:NSDragPboard];
   [pboard declareURLPasteboardWithAdditionalTypes:[NSArray array]
                                             owner:nil];
   [pboard setDataForURL:url title:title];
   return pboard;
 }
 
+NSPoint LocationIconDecoration::GetBubblePointInFrame(NSRect frame) {
+  const NSRect draw_frame = GetDrawRectInFrame(frame);
+  return NSMakePoint(NSMidX(draw_frame),
+                     NSMaxY(draw_frame) - kBubblePointYOffset);
+}
+
 bool LocationIconDecoration::OnMousePressed(NSRect frame) {
   // Do not show page info if the user has been editing the location
   // bar, or the location bar is at the NTP.
   if (owner_->location_entry()->IsEditingOrEmpty())
     return true;
 
   TabContents* tab = owner_->GetTabContents();
   NavigationEntry* nav_entry = tab->controller().GetActiveEntry();
   if (!nav_entry) {
     NOTREACHED();
     return true;
   }
   tab->ShowPageInfo(nav_entry->url(), nav_entry->ssl(), true);
   return true;
 }