DevTools: [remote debugging] introduce json/new and json/close for creating and closing the tabs.

chrome/browser/debugger/browser_list_tabcontents_provider.h

Index: chrome/browser/debugger/browser_list_tabcontents_provider.h
diff --git a/chrome/browser/debugger/browser_list_tabcontents_provider.h b/chrome/browser/debugger/browser_list_tabcontents_provider.h
index 390f8401b361dc76c88d769cca37effe08d6793d..e59c90432bf48dc5479be60d88fd7b6d60dd8b05 100644
--- a/chrome/browser/debugger/browser_list_tabcontents_provider.h
+++ b/chrome/browser/debugger/browser_list_tabcontents_provider.h
@@ -12,10 +12,6 @@
 #include "base/compiler_specific.h"
 #include "content/public/browser/devtools_http_handler_delegate.h"
 
-namespace content {
-class WebContents;
-}
-
 class BrowserListTabContentsProvider
     : public content::DevToolsHttpHandlerDelegate {
  public:
@@ -27,6 +23,7 @@ class BrowserListTabContentsProvider
   virtual bool BundlesFrontendResources() OVERRIDE;
   virtual FilePath GetDebugFrontendDir() OVERRIDE;
   virtual std::string GetPageThumbnailData(const GURL& url) OVERRIDE;
+  virtual content::RenderViewHost* CreateNewTarget() OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserListTabContentsProvider);