Color: Add SetColorSpace member to gfx::GpuMemoryBuffer

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index b7991fa5e6fafa89632fab2eee1179d1d2457c0f..6be3c4252eab9f9a0f1de0c8d8f10df5ad09afe5 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -3111,9 +3111,8 @@ - (void)insertText:(id)string {
 }
 
 - (void)viewDidMoveToWindow {
-  if ([self window]) {
+  if ([self window])
     [self updateScreenProperties];
-  }
   renderWidgetHostView_->browser_compositor_->SetNSViewAttachedToWindow(
       [self window]);
 
@@ -3129,6 +3128,14 @@ - (void)viewDidMoveToWindow {
   }
 }
 
+- (void)viewDidChangeBackingProperties {
+  NSScreen* screen = [[self window] screen];
+  if (screen) {
+    renderWidgetHostView_->browser_compositor_->SetDisplayColorSpace(
+        gfx::ColorSpace::FromCGColorSpace([[screen colorSpace] CGColorSpace]));
+  }
+}
+
 - (void)undo:(id)sender {
   WebContents* web_contents = renderWidgetHostView_->GetWebContents();
   if (web_contents)