Color: Add SetColorSpace member to gfx::GpuMemoryBuffer

content/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
 #include <stdint.h>
@@ skipping 3111 matching lines @@
   if (hasOpenMouseDown_) {
     WebMouseEvent event;
     event.type = WebInputEvent::MouseUp;
     event.button = WebMouseEvent::ButtonLeft;
     renderWidgetHostView_->ForwardMouseEvent(event);
 
     hasOpenMouseDown_ = NO;
   }
 }
 
+- (void)viewDidChangeBackingProperties {
+  NSScreen* screen = [[self window] screen];
+  if (screen && renderWidgetHostView_->browser_compositor_) {

[enne (OOO), 2016/07/01 17:31:23]

Doesn't the browser compositor always exist?

[ccameron, 2016/07/01 18:53:16]

There is a brief moment during shutdown when it is nullptr, but I tested this
and it appears not to be hit here.

+    renderWidgetHostView_->browser_compositor_->SetDisplayColorSpace(
+        gfx::ColorSpace::FromCGColorSpace([[screen colorSpace] CGColorSpace]));
+  }
+}
+
 - (void)undo:(id)sender {
   WebContents* web_contents = renderWidgetHostView_->GetWebContents();
   if (web_contents)
     web_contents->Undo();
 }
 
 - (void)redo:(id)sender {
   WebContents* web_contents = renderWidgetHostView_->GetWebContents();
   if (web_contents)
     web_contents->Redo();
@@ skipping 158 matching lines @@
 
 // "-webkit-app-region: drag | no-drag" is implemented on Mac by excluding
 // regions that are not draggable. (See ControlRegionView in
 // native_app_window_cocoa.mm). This requires the render host view to be
 // draggable by default.
 - (BOOL)mouseDownCanMoveWindow {
   return YES;
 }
 
 @end