Implement GetUsageAndQuotaForEviction in QuotaManager.

webkit/quota/quota_manager.cc

Index: webkit/quota/quota_manager.cc
diff --git a/webkit/quota/quota_manager.cc b/webkit/quota/quota_manager.cc
index 6bd37bdf6505a19b4a8907ad803b41aeb4f6e6eb..f9683eed5e90f421317aad26a2d1b16b6515165d 100644
--- a/webkit/quota/quota_manager.cc
+++ b/webkit/quota/quota_manager.cc
@@ -524,7 +524,9 @@ QuotaManager::QuotaManager(bool is_incognito,
     db_disabled_(false),
     io_thread_(io_thread),
     db_thread_(db_thread),
-    temporary_global_quota_(-1) {
+    get_usage_and_quota_for_eviction_members_(0, 0),
+    temporary_global_quota_(-1),
+    callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
 }
 
 QuotaManager::~QuotaManager() {
@@ -780,9 +782,46 @@ void QuotaManager::EvictOriginData(
   // TODO(dmikurube): Implement it.
 }
 
+void QuotaManager::OnGetAvailableSpaceForEviction(
+    QuotaStatusCode status,
+    int64 available_space) {
+  get_usage_and_quota_for_eviction_members_.callback_->Run(
+      status,
+      get_usage_and_quota_for_eviction_members_.usage_,
+      get_usage_and_quota_for_eviction_members_.quota_,

[kinuko, 2011/05/18 09:08:01]

this variable name sounds way too long...? (please see the other comment about
struct name)

[Dai Mikurube (NOT FULLTIME), 2011/05/18 09:31:30]

Done.

+      available_space);
+  get_usage_and_quota_for_eviction_members_.callback_.reset();
+}
+
+void QuotaManager::OnGetGlobalQuotaForEviction(
+    QuotaStatusCode status,
+    int64 quota) {
+  if (status != kQuotaStatusOk) {
+    get_usage_and_quota_for_eviction_members_.callback_->Run(status,
+        get_usage_and_quota_for_eviction_members_.usage_, quota, 0);
+    get_usage_and_quota_for_eviction_members_.callback_.reset();
+    return;
+  }
+
+  get_usage_and_quota_for_eviction_members_.quota_ = quota;
+  GetAvailableSpace(callback_factory_.
+      NewCallback(&QuotaManager::OnGetAvailableSpaceForEviction));
+}
+
+void QuotaManager::OnGetGlobalUsageForEviction(int64 usage) {
+  get_usage_and_quota_for_eviction_members_.usage_ = usage;
+  GetTemporaryGlobalQuota(callback_factory_.
+      NewCallback(&QuotaManager::OnGetGlobalQuotaForEviction));
+}
+
 void QuotaManager::GetUsageAndQuotaForEviction(
     GetUsageAndQuotaForEvictionCallback* callback) {
-  // TODO(dmikurube): Implement it.
+  DCHECK(io_thread_->BelongsToCurrentThread());
+
+  get_usage_and_quota_for_eviction_members_.callback_.reset(callback);
+  // TODO(dmikurube): Make kStorageTypeTemporary an argument?
+  GetGlobalUsage(kStorageTypeTemporary, callback_factory_.
+      NewCallback(&QuotaManager::OnGetGlobalUsageForEviction));
 }
 
 void QuotaManager::DeleteOnCorrectThread() const {