Implement TransformFeedbackManager in GPU command buffer.

gpu/command_buffer/service/buffer_manager.cc

Index: gpu/command_buffer/service/buffer_manager.cc
diff --git a/gpu/command_buffer/service/buffer_manager.cc b/gpu/command_buffer/service/buffer_manager.cc
index b3352192a37e96aa256d35d1c10fd6495b8629de..1853c85b1f0e6387cc9856a076cfbd1431e0dcfb 100644
--- a/gpu/command_buffer/service/buffer_manager.cc
+++ b/gpu/command_buffer/service/buffer_manager.cc
@@ -18,8 +18,10 @@
 #include "gpu/command_buffer/service/error_state.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
+#include "gpu/command_buffer/service/transform_feedback_manager.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_implementation.h"
+#include "ui/gl/gl_version_info.h"
 #include "ui/gl/trace_util.h"
 
 namespace gpu {
@@ -409,6 +411,13 @@ void BufferManager::ValidateAndDoBufferData(
   }
 
   DoBufferData(error_state, buffer, target, size, usage, data);
+
+  if (context_state->bound_transform_feedback.get()) {
+    // buffer size might have changed, and on Desktop GL lower than 4.2,
+    // we might need to reset transform feedback buffer range.
+    context_state->bound_transform_feedback->OnBufferData(
+        feature_info_->gl_version_info(), target, buffer);
+  }
 }