Update BookmarkBarController to use non-deprecated dragging APIs.

chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm

Index: chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm
diff --git a/chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm b/chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm
index 6eea93677469813272e9aef36cacb8949859f8bf..43664314dfd8e4a2caf767cbfe49d682188aa875 100644
--- a/chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm
+++ b/chrome/browser/ui/cocoa/bookmarks/bookmark_button.mm
@@ -9,8 +9,10 @@
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
 #import "base/mac/scoped_nsobject.h"
+#include "base/mac/sdk_forward_declarations.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_window.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_button_cell.h"
+#import "chrome/browser/ui/cocoa/bookmarks/bookmark_folder_target.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/view_id_util.h"
 #include "components/bookmarks/browser/bookmark_model.h"
@@ -33,7 +35,19 @@ namespace {
 BookmarkButton* gDraggedButton = nil; // Weak
 };
 
-@interface BookmarkButton(Private)
+@interface BookmarkButton() <NSPasteboardItemDataProvider>
+
+// NSPasteboardItemDataProvider:
+- (void)pasteboard:(NSPasteboard*)sender
+                  item:(NSPasteboardItem*)item
+    provideDataForType:(NSString*)type;
+
+// NSDraggingSource:
+- (void)draggingSession:(NSDraggingSession*)session
+           endedAtPoint:(NSPoint)aPoint
+              operation:(NSDragOperation)operation;
+- (NSDragOperation)draggingSession:(NSDraggingSession*)session
+    sourceOperationMaskForDraggingContext:(NSDraggingContext)context;
 
 // Make a drag image for the button.
 - (NSImage*)dragImage;
@@ -42,7 +56,6 @@ BookmarkButton* gDraggedButton = nil; // Weak
 
 @end  // @interface BookmarkButton(Private)
 
-
 @implementation BookmarkButton
 
 @synthesize delegate = delegate_;
@@ -175,10 +188,6 @@ BookmarkButton* gDraggedButton = nil; // Weak
   // the stack.
   [self retain];
 
-  // Ask our delegate to fill the pasteboard for us.
-  NSPasteboard* pboard = [NSPasteboard pasteboardWithName:NSDragPboard];
-  [[self delegate] fillPasteboard:pboard forDragOfButton:self];
-
   // Lock bar visibility, forcing the overlay to stay visible if we are in
   // fullscreen mode.
   if ([[self delegate] dragShouldLockBarVisibility]) {
@@ -202,12 +211,23 @@ BookmarkButton* gDraggedButton = nil; // Weak
   dragPending_ = YES;
   gDraggedButton = self;
 
-  CGFloat yAt = [self bounds].size.height;
-  NSSize dragOffset = NSMakeSize(0.0, 0.0);
   NSImage* image = [self dragImage];
   [self setHidden:YES];
-  [self dragImage:image at:NSMakePoint(0, yAt) offset:dragOffset
-            event:event pasteboard:pboard source:self slideBack:YES];
+
+  NSPasteboardItem* pbItem = [NSPasteboardItem new];
+  [pbItem setDataProvider:self forTypes:@[ kBookmarkButtonDragType ]];
+
+  base::scoped_nsobject<NSDraggingItem> dragItem(
+      [[NSDraggingItem alloc] initWithPasteboardWriter:pbItem]);
+  [dragItem setDraggingFrame:[self bounds] contents:image];
+
+  [self beginDraggingSessionWithItems:@[ dragItem.get() ]
+                                event:event
+                               source:self];
+  while (gDraggedButton != nil) {
+    [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
+                             beforeDate:[NSDate distantFuture]];
+  }
   [self setHidden:NO];
 
   // And we're done.
@@ -217,6 +237,27 @@ BookmarkButton* gDraggedButton = nil; // Weak
   [self autorelease];
 }
 
+- (void)pasteboard:(NSPasteboard*)sender
+                  item:(NSPasteboardItem*)item
+    provideDataForType:(NSString*)type {
+  [sender setData:[NSData dataWithBytes:&gDraggedButton
+                                 length:sizeof(gDraggedButton)]
+          forType:kBookmarkButtonDragType];
+}
+
+- (NSDragOperation)draggingSession:(NSDraggingSession*)session
+    sourceOperationMaskForDraggingContext:(NSDraggingContext)context {
+  NSDragOperation operation = NSDragOperationCopy;
+
+  if (context == NSDraggingContextWithinApplication)
+    operation |= NSDragOperationMove;
+
+  if ([delegate_ canDragBookmarkButtonToTrash:self])
+    operation |= NSDragOperationDelete;
+
+  return operation;
+}
+
 // Overridden to release bar visibility.
 - (DraggableButtonResult)endDrag {
   gDraggedButton = nil;
@@ -230,20 +271,9 @@ BookmarkButton* gDraggedButton = nil; // Weak
   return kDraggableButtonImplUseBase;
 }
 
-- (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal {
-  NSDragOperation operation = NSDragOperationCopy;
-  if (isLocal) {
-    operation |= NSDragOperationMove;
-  }
-  if ([delegate_ canDragBookmarkButtonToTrash:self]) {
-    operation |= NSDragOperationDelete;
-  }
-  return operation;
-}
-
-- (void)draggedImage:(NSImage *)anImage
-             endedAt:(NSPoint)aPoint
-           operation:(NSDragOperation)operation {
+- (void)draggingSession:(NSDraggingSession*)session
+           endedAtPoint:(NSPoint)aPoint
+              operation:(NSDragOperation)operation {
   gDraggedButton = nil;
   // Inform delegate of drag source that we're finished dragging,
   // so it can close auto-opened bookmark folders etc.
@@ -325,8 +355,6 @@ BookmarkButton* gDraggedButton = nil; // Weak
   return kDraggableButtonMixinDidWork;
 }
 
-
-
 // mouseEntered: and mouseExited: are called from our
 // BookmarkButtonCell.  We redirect this information to our delegate.
 // The controller can then perform menu-like actions (e.g. "hover over
@@ -428,11 +456,6 @@ BookmarkButton* gDraggedButton = nil; // Weak
   [self setNeedsDisplay:YES];
 }
 
-@end
-
-@implementation BookmarkButton(Private)
-
-
 - (void)installCustomTrackingArea {
   const NSTrackingAreaOptions options =
       NSTrackingActiveAlways |
@@ -451,7 +474,6 @@ BookmarkButton* gDraggedButton = nil; // Weak
   [self addTrackingArea:area_];
 }
 
-
 - (NSImage*)dragImage {
   NSRect bounds = [self bounds];
   base::scoped_nsobject<NSImage> image(
@@ -474,4 +496,4 @@ BookmarkButton* gDraggedButton = nil; // Weak
   return image.autorelease();
 }
 
-@end  // @implementation BookmarkButton(Private)
+@end