Re-land: Mark async texture uploads as completed from the upload thread.

gpu/command_buffer/service/query_manager.h

Index: gpu/command_buffer/service/query_manager.h
diff --git a/gpu/command_buffer/service/query_manager.h b/gpu/command_buffer/service/query_manager.h
index 322c03d34b0ad46fb43ed26d921975f645c3036e..8bfc560993bad07ceba840b57c173735bd5edf13 100644
--- a/gpu/command_buffer/service/query_manager.h
+++ b/gpu/command_buffer/service/query_manager.h
@@ -89,11 +89,21 @@ class GPU_EXPORT QueryManager {
       submit_count_ = submit_count;
     }
 
+    void UnmarkAsPending() {
+      DCHECK(pending_);
+      pending_ = false;
+    }
+
     // Returns false if shared memory for sync is invalid.
     bool AddToPendingQueue(uint32 submit_count) {
       return manager_->AddPendingQuery(this, submit_count);
     }
 
+    // Returns false if shared memory for sync is invalid.
+    bool AddToPendingTransferQueue(uint32 submit_count) {
+      return manager_->AddPendingTransferQuery(this, submit_count);
+    }
+
     void BeginQueryHelper(GLenum target, GLuint id) {
       manager_->BeginQueryHelper(target, id);
     }
@@ -102,15 +112,15 @@ class GPU_EXPORT QueryManager {
       manager_->EndQueryHelper(target);
     }
 
+    uint32 submit_count() const {
+      return submit_count_;
+    }
+
    private:
     friend class QueryManager;
     friend class QueryManagerTest;
     friend class base::RefCounted<Query>;
 
-    uint32 submit_count() const {
-      return submit_count_;
-    }
-
     // The manager that owns this Query.
     QueryManager* manager_;
 
@@ -179,6 +189,10 @@ class GPU_EXPORT QueryManager {
   // Returns false if any query is pointing to invalid shared memory.
   bool AddPendingQuery(Query* query, uint32 submit_count);
 
+  // Adds to queue of transfer queries waiting for completion.
+  // Returns false if any query is pointing to invalid shared memory.
+  bool AddPendingTransferQuery(Query* query, uint32 submit_count);
+
   // Removes a query from the queue of pending queries.
   // Returns false if any query is pointing to invalid shared memory.
   bool RemovePendingQuery(Query* query);
@@ -205,6 +219,9 @@ class GPU_EXPORT QueryManager {
   typedef std::deque<Query::Ref> QueryQueue;
   QueryQueue pending_queries_;
 
+  // Async pixel transfer queries waiting for completion.
+  QueryQueue pending_transfer_queries_;
+
   DISALLOW_COPY_AND_ASSIGN(QueryManager);
 };