Linux: server side backing stores

chrome/browser/renderer_host/render_widget_host_view.h

Index: chrome/browser/renderer_host/render_widget_host_view.h
diff --git a/chrome/browser/renderer_host/render_widget_host_view.h b/chrome/browser/renderer_host/render_widget_host_view.h
index 7b001589eea8c82017353946f937658f3fbe0b34..35894271d4cc986d2db8b97f71cb49497c540042 100644
--- a/chrome/browser/renderer_host/render_widget_host_view.h
+++ b/chrome/browser/renderer_host/render_widget_host_view.h
@@ -17,6 +17,7 @@ namespace IPC {
 class Message;
 }
 
+class BackingStore;
 class RenderProcessHost;
 class RenderWidgetHost;
 class WebCursor;
@@ -109,6 +110,9 @@ class RenderWidgetHostView {
   // the page has changed.
   virtual void SetTooltipText(const std::wstring& tooltip_text) = 0;
 
+  // Allocate a backing store for this view
+  virtual BackingStore* AllocBackingStore(const gfx::Size& size) = 0;
+
  protected:
   // Interface class only, do not construct.
   RenderWidgetHostView() {}