Split ChromeContentBrowserClient into smaller parts.

chrome/browser/extensions/chrome_content_browser_client_extensions_part.h

Index: chrome/browser/extensions/chrome_content_browser_client_extensions_part.h
diff --git a/chrome/browser/extensions/chrome_content_browser_client_extensions_part.h b/chrome/browser/extensions/chrome_content_browser_client_extensions_part.h
index 80eb5b8067fb0bc080bc4708404bb780d8a72064..47cc1488ff774a2e263dfbcdd12097a17a685a32 100644
--- a/chrome/browser/extensions/chrome_content_browser_client_extensions_part.h
+++ b/chrome/browser/extensions/chrome_content_browser_client_extensions_part.h
@@ -8,6 +8,7 @@
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/browser/chrome_content_browser_client_parts.h"
+#include "content/public/common/socket_permission_request.h"
 
 namespace content {
 class ResourceContext;
@@ -54,6 +55,23 @@ class ChromeContentBrowserClientExtensionsPart
   // Helper function to call InfoMap::SetSigninProcess().
   static void SetSigninProcess(content::SiteInstance* site_instance);
 
+  static bool IsPluginAllowedToCallRequestOSFileHandle(
+      content::BrowserContext* browser_context,
+      const GURL& url,
+      const std::set<std::string>& allowed_file_handle_origins);
+
+  static bool AllowPepperSocketAPI(
+      content::BrowserContext* browser_context,
+      const GURL& url,
+      bool private_api,
+      const content::SocketPermissionRequest* params,
+      const std::set<std::string>& whitelist);
+
+  static bool IsPluginAllowedToUseDevChannelAPIs(
+      content::BrowserContext* browser_context,
+      const GURL& url,
+      const std::set<std::string>& allowed_dev_channel_origins);
+
  private:
   // ChromeContentBrowserClientParts:
   virtual void RenderProcessWillLaunch(