Add support for X11 workspaces

chrome/browser/ui/cocoa/browser_window_cocoa.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 "chrome/browser/ui/cocoa/browser_window_cocoa.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #import "base/mac/sdk_forward_declarations.h"
@@ skipping 353 matching lines @@
 
 gfx::Rect BrowserWindowCocoa::GetRestoredBounds() const {
   // Flip coordinates based on the primary screen.
   NSScreen* screen = [[NSScreen screens] firstObject];
   NSRect frame = [controller_ regularWindowFrame];
   gfx::Rect bounds(frame.origin.x, 0, NSWidth(frame), NSHeight(frame));
   bounds.set_y(NSHeight([screen frame]) - NSMaxY(frame));
   return bounds;
 }
 
+std::string BrowserWindowCocoa::GetWorkspace() const {
+  return "";

[sky, 2016/05/03 17:40:52]

""->std::string()

[Tom (Use chromium acct), 2016/05/03 19:38:39]

Done.

+}
+
 ui::WindowShowState BrowserWindowCocoa::GetRestoredState() const {
   if (IsMaximized())
     return ui::SHOW_STATE_MAXIMIZED;
   if (IsMinimized())
     return ui::SHOW_STATE_MINIMIZED;
   return ui::SHOW_STATE_NORMAL;
 }
 
 gfx::Rect BrowserWindowCocoa::GetBounds() const {
   return GetRestoredBounds();
@@ skipping 456 matching lines @@
 ExclusiveAccessContext* BrowserWindowCocoa::GetExclusiveAccessContext() {
   return [controller_ exclusiveAccessController];
 }
 
 void BrowserWindowCocoa::ShowImeWarningBubble(
     const extensions::Extension* extension,
     const base::Callback<void(ImeWarningBubblePermissionStatus status)>&
         callback) {
   NOTREACHED() << "The IME warning bubble is unsupported on this platform.";
 }