gpu: Remove async texture uploads.

gpu/command_buffer/client/fenced_allocator.cc

Index: gpu/command_buffer/client/fenced_allocator.cc
diff --git a/gpu/command_buffer/client/fenced_allocator.cc b/gpu/command_buffer/client/fenced_allocator.cc
index bb898867e07bf49bf8a8d7010145da90239ba118..726fe7dafd3a311ba9e45bcad554ca43ed676aa2 100644
--- a/gpu/command_buffer/client/fenced_allocator.cc
+++ b/gpu/command_buffer/client/fenced_allocator.cc
@@ -32,12 +32,8 @@ const FencedAllocator::Offset FencedAllocator::kInvalidOffset;
 const unsigned int FencedAllocator::kAllocAlignment;
 #endif
 
-FencedAllocator::FencedAllocator(unsigned int size,
-                                 CommandBufferHelper* helper,
-                                 const base::Closure& poll_callback)
-    : helper_(helper),
-      poll_callback_(poll_callback),
-      bytes_in_use_(0) {
+FencedAllocator::FencedAllocator(unsigned int size, CommandBufferHelper* helper)
+    : helper_(helper), bytes_in_use_(0) {
   Block block = { FREE, 0, RoundDown(size), kUnusedToken };
   blocks_.push_back(block);
 }
@@ -216,9 +212,6 @@ FencedAllocator::BlockIndex FencedAllocator::WaitForTokenAndFreeBlock(
 
 // Frees any blocks pending a token for which the token has been read.
 void FencedAllocator::FreeUnused() {
-  // Free any potential blocks that has its lifetime handled outside.
-  poll_callback_.Run();
-
   for (unsigned int i = 0; i < blocks_.size();) {
     Block& block = blocks_[i];
     if (block.state == FREE_PENDING_TOKEN &&