cc: Do not limit number of raster tasks for upload limit.

cc/test/test_web_graphics_context_3d.cc

Index: cc/test/test_web_graphics_context_3d.cc
diff --git a/cc/test/test_web_graphics_context_3d.cc b/cc/test/test_web_graphics_context_3d.cc
index 7d03c387939fb31dbf6a1666214860f936b9417f..613c5d007516e88366503384818a5047f8dc7794 100644
--- a/cc/test/test_web_graphics_context_3d.cc
+++ b/cc/test/test_web_graphics_context_3d.cc
@@ -67,7 +67,6 @@ TestWebGraphicsContext3D::TestWebGraphicsContext3D()
       next_insert_sync_point_(1),
       last_waited_sync_point_(0),
       bound_buffer_(0),
-      peak_transfer_buffer_memory_used_bytes_(0),
       weak_ptr_factory_(this) {
   CreateNamespace();
 }
@@ -503,10 +502,6 @@ void TestWebGraphicsContext3D::bufferData(GLenum target,
   buffer->size = size;
   if (data != NULL)
     memcpy(buffer->pixels.get(), data, size);
-
-  peak_transfer_buffer_memory_used_bytes_ =
-      std::max(peak_transfer_buffer_memory_used_bytes_,
-               GetTransferBufferMemoryUsedBytes());
 }
 
 void* TestWebGraphicsContext3D::mapBufferCHROMIUM(GLenum target,
@@ -522,10 +517,6 @@ void* TestWebGraphicsContext3D::mapBufferCHROMIUM(GLenum target,
     --times_map_buffer_chromium_succeeds_;
   }
 
-  peak_transfer_buffer_memory_used_bytes_ =
-      std::max(peak_transfer_buffer_memory_used_bytes_,
-               GetTransferBufferMemoryUsedBytes());
-
   return buffers.get(bound_buffer_)->pixels.get();
 }