Revert an incorrect workaround for a crash.

This reverts commit 80e335a5.

Bug: 826632
Change-Id: I159ce3037f96af582b6095dca69d4d1cd4318843
Reviewed-on: https://chromium-review.googlesource.com/1014363
Commit-Queue: Sidney San Martín <sdy@chromium.org>
Reviewed-by: Leonard Grey <lgrey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#551320}

chrome/browser/ui/cocoa/download/md_download_item_view.mm

@@ -654,12 +654,6 @@ NSTextField* MakeLabel(
   draggingItem.draggingFrame = dragRect;
 
   draggingItem.imageComponentsProvider = ^{
-    // If either component is zero sized (which shouldn't generally happen, but
-    // apparently can… maybe a missing icon or empty string title?), omit it,
-    // else the dragging session will create layers with NaN components and
-    // crash.
-    auto* components = [NSMutableArray<NSDraggingImageComponent*> array];
-    if (imageRect.size.width != 0 && imageRect.size.height != 0) {
     NSDraggingImageComponent* imageComponent =
         [[[NSDraggingImageComponent alloc]
             initWithKey:NSDraggingImageComponentIconKey] autorelease];
@@ -667,9 +661,6 @@ NSTextField* MakeLabel(
     imageComponent.contents = image;
     imageComponent.frame =
         NSOffsetRect(imageRect, -dragRect.origin.x, -dragRect.origin.y);
-      [components addObject:imageComponent];
-    }
-    if (labelRect.size.width != 0 && labelRect.size.height != 0) {
     NSDraggingImageComponent* labelComponent =
         [[[NSDraggingImageComponent alloc]
             initWithKey:NSDraggingImageComponentLabelKey] autorelease];
@@ -682,10 +673,7 @@ NSTextField* MakeLabel(
                                       }];
     labelComponent.frame =
         NSOffsetRect(labelRect, -dragRect.origin.x, -dragRect.origin.y);
-      [components addObject:labelComponent];
-    }
-
-    return components;
+    return @[ imageComponent, labelComponent ];
   };
   [self beginDraggingSessionWithItems:@[ draggingItem ]
                                 event:event