Always call the class methods to save/restore contexts.

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

Index: chrome/browser/ui/cocoa/download/download_item_cell.mm
diff --git a/chrome/browser/ui/cocoa/download/download_item_cell.mm b/chrome/browser/ui/cocoa/download/download_item_cell.mm
index ee2a597c3497e642a1681dd8c3052e91c5e10942..d35d27540c695f07561aada89a40384cb6fa867b 100644
--- a/chrome/browser/ui/cocoa/download/download_item_cell.mm
+++ b/chrome/browser/ui/cocoa/download/download_item_cell.mm
@@ -406,14 +406,14 @@ const int kInterruptedAnimationDuration = 2.5;
           nil];
   NSPoint secondaryPos =
       NSMakePoint(innerFrame.origin.x + kTextPosLeft, kSecondaryTextPosTop);
+
+  gfx::ScopedNSGraphicsContextSaveGState contextSave;
   NSGraphicsContext* nsContext = [NSGraphicsContext currentContext];
   CGContextRef cgContext = (CGContextRef)[nsContext graphicsPort];
-  [nsContext saveGraphicsState];
   [nsContext setCompositingOperation:NSCompositeSourceOver];
   CGContextSetAlpha(cgContext, statusAlpha_);
   [secondaryText drawAtPoint:secondaryPos
               withAttributes:secondaryTextAttributes];
-  [nsContext restoreGraphicsState];
 }
 
 - (void)drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView {
@@ -579,8 +579,7 @@ const int kInterruptedAnimationDuration = 2.5;
   [triangle lineToPoint:p3];
   [triangle closePath];
 
-  NSGraphicsContext* context = [NSGraphicsContext currentContext];
-  gfx::ScopedNSGraphicsContextSaveGState scopedGState(context);
+  gfx::ScopedNSGraphicsContextSaveGState scopedGState;
 
   scoped_nsobject<NSShadow> shadow([[NSShadow alloc] init]);
   [shadow.get() setShadowColor:[NSColor whiteColor]];