Give the browser window's content view a CALayers

chrome/browser/ui/cocoa/nsview_additions.mm

Index: chrome/browser/ui/cocoa/nsview_additions.mm
diff --git a/chrome/browser/ui/cocoa/nsview_additions.mm b/chrome/browser/ui/cocoa/nsview_additions.mm
index d6241e62cf867533ded750658dd63e359b685101..fc9291df4fd118888d35781a4552684fdf0c1b45 100644
--- a/chrome/browser/ui/cocoa/nsview_additions.mm
+++ b/chrome/browser/ui/cocoa/nsview_additions.mm
@@ -6,6 +6,7 @@
 #include "base/mac/mac_util.h"
 #import "chrome/browser/ui/cocoa/nsview_additions.h"
 #include "chrome/common/chrome_switches.h"
+#include "ui/base/cocoa/animation_utils.h"
 #include "ui/base/ui_base_switches.h"
 
 #include "base/logging.h"
@@ -117,4 +118,16 @@
   [self setCanDrawSubviewsIntoLayer:YES];
 }
 
+- (void)cr_setHostsSolidWhiteLayer {
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kDisableCoreAnimation))
+    return;
+
+  ScopedCAActionDisabler disabler;
+  CALayer* layer = [[CALayer alloc] init];

[Avi (use Gerrit), 2014/03/05 03:19:28]

This looks like it leaks. scoped_nsobject?

[ccameron, 2014/03/05 07:59:31]

Yes, it does leak. The setLayer will take out a reference, so it can be released
immediately after.

+  [layer setBackgroundColor:CGColorGetConstantColor(kCGColorWhite)];
+  [self setLayer:layer];
+  [self setWantsLayer:YES];
+}
+
 @end