Reduce GPU mailbox size to 16 bytes

gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc
index 919963bb08a0c4eafe6b5bc5473349d00086f316..6f3935fa187b1465cba240030dd98a714faa14a9 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough_handlers_autogen.cc
@@ -3744,7 +3744,7 @@ error::Error GLES2DecoderPassthroughImpl::HandleProduceTextureCHROMIUMImmediate(
       const volatile gles2::cmds::ProduceTextureCHROMIUMImmediate*>(cmd_data);
   GLenum target = static_cast<GLenum>(c.target);
   uint32_t data_size;
-  if (!GLES2Util::ComputeDataSize(1, sizeof(GLbyte), 64, &data_size)) {
+  if (!GLES2Util::ComputeDataSize(1, sizeof(GLbyte), 16, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
@@ -3770,7 +3770,7 @@ GLES2DecoderPassthroughImpl::HandleProduceTextureDirectCHROMIUMImmediate(
   GLuint texture = c.texture;
   GLenum target = static_cast<GLenum>(c.target);
   uint32_t data_size;
-  if (!GLES2Util::ComputeDataSize(1, sizeof(GLbyte), 64, &data_size)) {
+  if (!GLES2Util::ComputeDataSize(1, sizeof(GLbyte), 16, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
@@ -3792,7 +3792,7 @@ error::Error GLES2DecoderPassthroughImpl::HandleConsumeTextureCHROMIUMImmediate(
       const volatile gles2::cmds::ConsumeTextureCHROMIUMImmediate*>(cmd_data);
   GLenum target = static_cast<GLenum>(c.target);
   uint32_t data_size;
-  if (!GLES2Util::ComputeDataSize(1, sizeof(GLbyte), 64, &data_size)) {
+  if (!GLES2Util::ComputeDataSize(1, sizeof(GLbyte), 16, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {
@@ -3817,7 +3817,7 @@ GLES2DecoderPassthroughImpl::HandleCreateAndConsumeTextureINTERNALImmediate(
   GLenum target = static_cast<GLenum>(c.target);
   GLuint texture = static_cast<GLuint>(c.texture);
   uint32_t data_size;
-  if (!GLES2Util::ComputeDataSize(1, sizeof(GLbyte), 64, &data_size)) {
+  if (!GLES2Util::ComputeDataSize(1, sizeof(GLbyte), 16, &data_size)) {
     return error::kOutOfBounds;
   }
   if (data_size > immediate_data_size) {