Linux: server side backing stores

chrome/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2006-2008 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/renderer_host/render_widget_host_view_mac.h"
 
 #include "base/histogram.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/browser_trial.h"
 #include "chrome/browser/renderer_host/backing_store.h"
@@ skipping 190 matching lines @@
     // Clamp the tooltip length to kMaxTooltipLength. It's a DOS issue on
     // Windows; we're just trying to be polite.
     if (tooltip_text_.length() > kMaxTooltipLength)
       tooltip_text_ = tooltip_text_.substr(0, kMaxTooltipLength);
 
     NSString* tooltip_nsstring = base::SysWideToNSString(tooltip_text_);
     [cocoa_view_ setToolTip:tooltip_nsstring];
   }
 }
 
+BackingStore* RenderWidgetHostViewMac::AllocBackingStore(
+    const gfx::Size& size) {
+  return new BackingStore(size);
+}
+
 void RenderWidgetHostViewMac::ShutdownHost() {
   render_widget_host_->Shutdown();
   // Do not touch any members at this point, |this| has been deleted.
 }
 
 @implementation RenderWidgetHostViewCocoa
 
 // Tons of stuff goes here, where we grab events going on in Cocoaland and send
 // them into the C++ system. TODO(avi): all that jazz
 
@@ skipping 112 matching lines @@
   return YES;
 }
 
 - (BOOL)resignFirstResponder {
   renderWidgetHostView_->render_widget_host()->Blur();
   
   return YES;
 }
 
 @end