Implement WebKitClientImpl::databaseDeleteFile.

Calls to SQLiteFileSystem::deleteDatabaseFile() end up here. So far, this
functionality does not seem to have been used, but it is needed for deleting
empty local storage databases as per the bug below.

BUG=39067
TEST=None. Will be covered by test for the bug in question.

Review URL: http://codereview.chromium.org/2846004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@49913 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 10 insertions, 0 deletions

diff --git a/chrome/browser/in_process_webkit/browser_webkitclient_impl.cc b/chrome/browser/in_process_webkit/browser_webkitclient_impl.cc
index b9cd9a5..6ed0680 100644
--- a/chrome/browser/in_process_webkit/browser_webkitclient_impl.cc
+++ b/chrome/browser/in_process_webkit/browser_webkitclient_impl.cc
@@ -4,11 +4,13 @@
 
 #include "chrome/browser/in_process_webkit/browser_webkitclient_impl.h"
 
+#include "base/file_util.h"
 #include "base/logging.h"
 #include "chrome/browser/in_process_webkit/dom_storage_dispatcher_host.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebData.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebString.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebURL.h"
+#include "webkit/glue/webkit_glue.h"
 
 BrowserWebKitClientImpl::BrowserWebKitClientImpl() {
   file_system_.set_sandbox_enabled(false);
@@ -130,3 +132,9 @@ BrowserWebKitClientImpl::sharedWorkerRepository() {
     NOTREACHED();
     return NULL;
 }
+
+int BrowserWebKitClientImpl::databaseDeleteFile(
+    const WebKit::WebString& vfs_file_name, bool sync_dir) {
+  const FilePath path = webkit_glue::WebStringToFilePath(vfs_file_name);
+  return file_util::Delete(path, false) ? 0 : 1;
+}
diff --git a/chrome/browser/in_process_webkit/browser_webkitclient_impl.h b/chrome/browser/in_process_webkit/browser_webkitclient_impl.h
index c81503a9..bbd6018 100644
--- a/chrome/browser/in_process_webkit/browser_webkitclient_impl.h
+++ b/chrome/browser/in_process_webkit/browser_webkitclient_impl.h
@@ -42,6 +42,8 @@ class BrowserWebKitClientImpl : public webkit_glue::WebKitClientImpl {
       const WebKit::WebString& origin, const WebKit::WebURL& url,
       bool isLocalStorage);
   virtual WebKit::WebSharedWorkerRepository* sharedWorkerRepository();
+  virtual int databaseDeleteFile(const WebKit::WebString& vfs_file_name,
+                                 bool sync_dir);
 
  private:
   webkit_glue::WebFileSystemImpl file_system_;