Fix some memory leaks in GPU tests.

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 59919f35afa5f474375a92da0a053520f066e536..56eb974318f386bd773908b6c1ce5669a286cff6 100644
--- a/gpu/command_buffer/client/fenced_allocator.h
+++ b/gpu/command_buffer/client/fenced_allocator.h
@@ -139,8 +139,8 @@ class FencedAllocator {
 class FencedAllocatorWrapper {
  public:
   FencedAllocatorWrapper(unsigned int size,
-                         CommandBufferHelper *helper,
-                         void *base)
+                         CommandBufferHelper* helper,
+                         void* base)
       : allocator_(size, helper),
         base_(base) { }
 
@@ -229,7 +229,7 @@ class FencedAllocatorWrapper {
 
  private:
   FencedAllocator allocator_;
-  void *base_;
+  void* base_;
   DISALLOW_IMPLICIT_CONSTRUCTORS(FencedAllocatorWrapper);
 };