Add gdata content search

chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc

Index: chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc b/chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc
index 992a6949af1f697df5197f31738d41b1f575e97f..ffcac27e9dbe517b9c4273edf570253a79d822a1 100644
--- a/chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc
+++ b/chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc
@@ -13,8 +13,9 @@
 #include "base/values.h"
 #include "content/public/browser/browser_thread.h"
 #include "chrome/browser/chromeos/gdata/gdata.pb.h"
-#include "chrome/browser/chromeos/gdata/gdata_system_service.h"
 #include "chrome/browser/chromeos/gdata/gdata_file_system.h"
+#include "chrome/browser/chromeos/gdata/gdata_system_service.h"
+#include "chrome/browser/chromeos/gdata/gdata_util.h"
 #include "webkit/blob/shareable_file_reference.h"
 #include "webkit/fileapi/file_system_file_util_proxy.h"
 #include "webkit/fileapi/file_system_types.h"
@@ -152,6 +153,20 @@ void GDataFileSystemProxy::ReadDirectory(const GURL& file_url,
     return;
   }
 
+  // File paths with type GDATA_SEARH_PATH_QUERY are virtual path reserved for
+  // displaying gdata content search results. They are formatted so their base
+  // name equals to search query. So to get their contents, we have to kick off
+  // content search.
+  if (util::GetSearchPathStatus(file_path) == util::GDATA_SEARCH_PATH_QUERY) {
+    file_system_->SearchAsync(
+        file_path.BaseName().value(),
+        base::Bind(&GDataFileSystemProxy::OnReadDirectory,
+                   this,
+                   file_system_->hide_hosted_documents(),
+                   callback));
+    return;
+  }
+
   file_system_->ReadDirectoryByPathAsync(
       file_path,
       base::Bind(&GDataFileSystemProxy::OnReadDirectory,