Drive: add a method to clear all local cache.

chrome/browser/chromeos/gdata/gdata_system_service.cc

Index: chrome/browser/chromeos/gdata/gdata_system_service.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_system_service.cc b/chrome/browser/chromeos/gdata/gdata_system_service.cc
index cdf10bf572e98391cd9ebc0e212f36965206f5d5..f1a8e97c9cdfdfe34c8b9cdfecbe79e058fee3fe 100644
--- a/chrome/browser/chromeos/gdata/gdata_system_service.cc
+++ b/chrome/browser/chromeos/gdata/gdata_system_service.cc
@@ -39,7 +39,8 @@ const std::string* g_test_cache_root = NULL;
 
 GDataSystemService::GDataSystemService(Profile* profile)
     : profile_(profile),
-      cache_(NULL) {
+      cache_(NULL),
+      weak_ptr_factory_(this) {

[satorux1, 2012/08/01 21:56:31]

ALLOW_THIS_IN_INITIALIZER_LISt

[yoshiki, 2012/08/01 23:07:59]

Done.

   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   base::SequencedWorkerPool* blocking_pool = BrowserThread::GetBlockingPool();
   blocking_task_runner_ = blocking_pool->GetSequencedTaskRunner(
@@ -103,6 +104,22 @@ void GDataSystemService::Shutdown() {
   documents_service_.reset();
 }
 
+void GDataSystemService::ClearCacheAndResetOnUIThread() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));

[satorux1, 2012/08/01 21:56:31]

add a blank like after DCHECK

[yoshiki, 2012/08/01 23:07:59]

Done.

+  RemoveDriveMountPoint();
+  docs_service()->CancelAll();
+  cache_->ClearAllOnUIThread(
+      base::Bind(&GDataSystemService::AddBackDrivemountPoint,
+                 weak_ptr_factory_.GetWeakPtr()));
+}
+
+void GDataSystemService::AddBackDrivemountPoint(
+    GDataFileError error, const FilePath& file_path) {
+  DCHECK(error);
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));

[satorux1, 2012/08/01 21:56:31]

please swap the order of DCHECKs, and add a blank line after that.

[yoshiki, 2012/08/01 23:07:59]

Done.

+  AddDriveMountPoint();
+}
+
 void GDataSystemService::AddDriveMountPoint() {
   if (!gdata::util::IsGDataAvailable(profile_))
     return;