Pepper: Move FileIO host from renderer to browser.

content/browser/renderer_host/pepper/pepper_file_system_browser_host.cc

Index: content/browser/renderer_host/pepper/pepper_file_system_browser_host.cc
diff --git a/content/browser/renderer_host/pepper/pepper_file_system_browser_host.cc b/content/browser/renderer_host/pepper/pepper_file_system_browser_host.cc
index af3ec67b22717eaecba02235507d6a57b08a3685..310eb29c0e46dee84340d2e080d8d99a31c92812 100644
--- a/content/browser/renderer_host/pepper/pepper_file_system_browser_host.cc
+++ b/content/browser/renderer_host/pepper/pepper_file_system_browser_host.cc
@@ -39,12 +39,10 @@ bool LooksLikeAGuid(const std::string& fsid) {
 scoped_refptr<fileapi::FileSystemContext>
 GetFileSystemContextFromRenderId(int render_process_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  RenderProcessHost* render_process_host =
-      RenderProcessHost::FromID(render_process_id);
-  if (!render_process_host)
+  RenderProcessHost* host = RenderProcessHost::FromID(render_process_id);
+  if (!host)
     return NULL;
-  StoragePartition* storage_partition =
-      render_process_host->GetStoragePartition();
+  StoragePartition* storage_partition = host->GetStoragePartition();
   if (!storage_partition)
     return NULL;
   return storage_partition->GetFileSystemContext();