gpu: Remove async texture uploads.

gpu/command_buffer/client/fenced_allocator.h

Index: gpu/command_buffer/client/fenced_allocator.h
diff --git a/gpu/command_buffer/client/fenced_allocator.h b/gpu/command_buffer/client/fenced_allocator.h
index c19fbbde26a6ad44bf5da63aa469e0e8ac8b22bb..95dcccec81b103c9779d3812f6be6194e1e54d1d 100644
--- a/gpu/command_buffer/client/fenced_allocator.h
+++ b/gpu/command_buffer/client/fenced_allocator.h
@@ -40,9 +40,7 @@ class GPU_EXPORT FencedAllocator {
 
   // Creates a FencedAllocator. Note that the size of the buffer is passed, but
   // not its base address: everything is handled as offsets into the buffer.
-  FencedAllocator(unsigned int size,
-                  CommandBufferHelper *helper,
-                  const base::Closure& poll_callback);
+  FencedAllocator(unsigned int size, CommandBufferHelper* helper);
 
   ~FencedAllocator();
 
@@ -146,7 +144,6 @@ class GPU_EXPORT FencedAllocator {
   Offset AllocInBlock(BlockIndex index, unsigned int size);
 
   CommandBufferHelper *helper_;
-  base::Closure poll_callback_;
   Container blocks_;
   size_t bytes_in_use_;
 
@@ -159,10 +156,8 @@ class FencedAllocatorWrapper {
  public:
   FencedAllocatorWrapper(unsigned int size,
                          CommandBufferHelper* helper,
-                         const base::Closure& poll_callback,
                          void* base)
-      : allocator_(size, helper, poll_callback),
-        base_(base) { }
+      : allocator_(size, helper), base_(base) {}
 
   // Allocates a block of memory. If the buffer is out of directly available
   // memory, this function may wait until memory that was freed "pending a