Fix chrome upload with content uri

content/browser/renderer_host/file_utilities_message_filter.cc

Index: content/browser/renderer_host/file_utilities_message_filter.cc
diff --git a/content/browser/renderer_host/file_utilities_message_filter.cc b/content/browser/renderer_host/file_utilities_message_filter.cc
index 65645e014eff6e375ed097fab7c90b424a689935..b84ff1307bdf858a58aa6453da455b8e65871c76 100644
--- a/content/browser/renderer_host/file_utilities_message_filter.cc
+++ b/content/browser/renderer_host/file_utilities_message_filter.cc
@@ -8,6 +8,10 @@
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/common/file_utilities_messages.h"
 
+#if defined(OS_ANDROID)
+#include "net/android/content_uri_utils.h"
+#endif
+
 namespace content {
 
 FileUtilitiesMessageFilter::FileUtilitiesMessageFilter(int process_id)
@@ -29,6 +33,9 @@ bool FileUtilitiesMessageFilter::OnMessageReceived(const IPC::Message& message,
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP_EX(FileUtilitiesMessageFilter, message, *message_was_ok)
     IPC_MESSAGE_HANDLER(FileUtilitiesMsg_GetFileInfo, OnGetFileInfo)
+#if defined(OS_ANDROID)
+    IPC_MESSAGE_HANDLER(FileUtilitiesMsg_GetContentUrlInfo, OnGetContentUrlInfo)
+#endif
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -52,4 +59,29 @@ void FileUtilitiesMessageFilter::OnGetFileInfo(
     *status = base::PLATFORM_FILE_ERROR_FAILED;
 }
 
+#if defined(OS_ANDROID)
+void FileUtilitiesMessageFilter::OnGetContentUrlInfo(
+    const GURL& content_url,
+    base::PlatformFileInfo* result,
+    base::PlatformFileError* status) {
+  *result = base::PlatformFileInfo();
+  *status = base::PLATFORM_FILE_OK;
+
+  // Get metadata only when the child process has been granted permission to
+  // read the content url.
+  if (!ChildProcessSecurityPolicyImpl::GetInstance()->CanReadContentUrl(
+      process_id_, content_url)) {
+    return;
+  }
+
+  // TODO(qinmin): Move the logic to content_uri_utils.h and find a way
+  // to extract information other than size.
+  int64 size = net::GetContentUrlLengthSync(content_url);
+  if (size < 0)
+    *status = base::PLATFORM_FILE_ERROR_FAILED;
+  result->size = size;
+}
+#endif
+
+
 }  // namespace content