Revert 95611 - Always call the class methods to save/restore contexts.

ui/base/clipboard/clipboard_mac.mm

Index: ui/base/clipboard/clipboard_mac.mm
===================================================================
--- ui/base/clipboard/clipboard_mac.mm	(revision 95630)
+++ ui/base/clipboard/clipboard_mac.mm	(working copy)
@@ -16,7 +16,6 @@
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/canvas_skia.h"
-#include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 #include "ui/gfx/size.h"
 
 namespace ui {
@@ -249,7 +248,6 @@
   scoped_nsobject<NSImage> image(
       [[NSImage alloc] initWithPasteboard:GetPasteboard()]);
   if (image.get()) {
-    gfx::ScopedNSGraphicsContextSaveGState scoped_state;
     [image setFlipped:YES];
     int width = [image size].width;
     int height = [image size].height;
@@ -264,6 +262,7 @@
              fromRect:NSZeroRect
             operation:NSCompositeCopy
              fraction:1.0];
+    [NSGraphicsContext restoreGraphicsState];
     return canvas.ExtractBitmap();
   }
   return SkBitmap();