Move Media Galleries FileAPI code out of webkit.

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 0c417e90f7771ad50694d3fb35a9dd29774ca8a3..5047f6450cc854910e6fc52fe56e169e9e038b59 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -13,9 +13,10 @@
 #include "base/callback_forward.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
 #include "content/public/browser/file_descriptor_info.h"
-#include "content/public/common/socket_permission_request.h"
 #include "content/public/common/content_client.h"
+#include "content/public/common/socket_permission_request.h"
 #include "content/public/common/window_container_type.h"
 #include "net/base/mime_util.h"
 #include "net/cookies/canonical_cookie.h"
@@ -61,6 +62,10 @@ namespace ui {
 class SelectFilePolicy;
 }
 
+namespace fileapi {
+class FileSystemMountPointProvider;
+}
+
 namespace webkit_glue {
 struct WebPreferences;
 }
@@ -496,6 +501,12 @@ class CONTENT_EXPORT ContentBrowserClient {
   virtual void GetAdditionalAllowedSchemesForFileSystem(
       std::vector<std::string>* additional_schemes) {}
 
+  // Returns additional MountPointProviders for FileSystem API.
+  virtual void GetAdditionalFileSystemMountPointProviders(
+      const base::FilePath& storage_partition_path,
+      ScopedVector<fileapi::FileSystemMountPointProvider>*
+          additional_providers) {}
+
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   // Populates |mappings| with all files that need to be mapped before launching
   // a child process.