Isolated FS for media devices.

webkit/fileapi/isolated_mount_point_provider.cc

Index: webkit/fileapi/isolated_mount_point_provider.cc
diff --git a/webkit/fileapi/isolated_mount_point_provider.cc b/webkit/fileapi/isolated_mount_point_provider.cc
index 7e66106949bf6ded23544e23b6304ec346cb09b6..01634f249835634a6da8b8f59b592d48a6b3ce6e 100644
--- a/webkit/fileapi/isolated_mount_point_provider.cc
+++ b/webkit/fileapi/isolated_mount_point_provider.cc
@@ -21,10 +21,16 @@
 #include "webkit/fileapi/isolated_file_util.h"
 #include "webkit/fileapi/local_file_stream_writer.h"
 #include "webkit/fileapi/local_file_system_operation.h"
+#include "webkit/fileapi/media/media_file_system_config.h"
 #include "webkit/fileapi/media/media_path_filter.h"
 #include "webkit/fileapi/media/native_media_file_util.h"
 #include "webkit/fileapi/native_file_util.h"
 
+#if defined(SUPPORT_MEDIA_FILESYSTEM)
+#include "webkit/fileapi/media/device_media_file_util.h"
+#include "webkit/fileapi/media/media_device_map_service.h"
+#endif
+
 namespace fileapi {
 
 namespace {
@@ -33,13 +39,27 @@ IsolatedContext* isolated_context() {
   return IsolatedContext::GetInstance();
 }
 
+#if defined(SUPPORT_MEDIA_FILESYSTEM)
+MediaDeviceInterfaceImpl* GetDeviceForUrl(const FileSystemURL& url,
+                                          FileSystemContext* context) {
+  return MediaDeviceMapService::GetInstance()->CreateOrGetMediaDevice(
+      url.filesystem_id(), context->file_task_runner());
+}
+#endif
+
 }  // namespace
 
-IsolatedMountPointProvider::IsolatedMountPointProvider()
-    : media_path_filter_(new MediaPathFilter()),
+IsolatedMountPointProvider::IsolatedMountPointProvider(
+    const FilePath& profile_path)
+    : profile_path_(profile_path),
+      media_path_filter_(new MediaPathFilter()),
       isolated_file_util_(new IsolatedFileUtil()),
       dragged_file_util_(new DraggedFileUtil()),
       native_media_file_util_(new NativeMediaFileUtil()) {
+  // TODO(kmadhusu): Initialize device_media_file_util_ in initialization list.
+#if defined(SUPPORT_MEDIA_FILESYSTEM)
+  device_media_file_util_.reset(new DeviceMediaFileUtil(profile_path_));
+#endif
 }
 
 IsolatedMountPointProvider::~IsolatedMountPointProvider() {
@@ -87,8 +107,11 @@ FileSystemFileUtil* IsolatedMountPointProvider::GetFileUtil(
       return dragged_file_util_.get();
     case kFileSystemTypeNativeMedia:
       return native_media_file_util_.get();
-
     case kFileSystemTypeDeviceMedia:
+#if defined(SUPPORT_MEDIA_FILESYSTEM)
+      return device_media_file_util_.get();
+#endif
+
     case kFileSystemTypeTemporary:
     case kFileSystemTypePersistent:
     case kFileSystemTypeExternal:
@@ -115,6 +138,14 @@ IsolatedMountPointProvider::CreateFileSystemOperation(
   if (url.type() == kFileSystemTypeNativeMedia ||
       url.type() == kFileSystemTypeDeviceMedia)
     operation_context->set_media_path_filter(media_path_filter_.get());
+
+#if defined(SUPPORT_MEDIA_FILESYSTEM)
+  if (url.type() == kFileSystemTypeDeviceMedia) {
+    // GetDeviceForUrl can return NULL. We will handle in DeviceMediaFileUtil.
+    operation_context->set_media_device(GetDeviceForUrl(url, context));
+  }
+#endif
+
   return new LocalFileSystemOperation(context, operation_context.Pass());
 }