Revert of Add command buffer support for EXT_sRGB_write_control

gpu/command_buffer/service/context_state.cc

Index: gpu/command_buffer/service/context_state.cc
diff --git a/gpu/command_buffer/service/context_state.cc b/gpu/command_buffer/service/context_state.cc
index 5aa24fbacd095e7c09ea022d30254b49588ba9fe..94192a6129b60afddd03bd3597aa5876f8b62f03 100644
--- a/gpu/command_buffer/service/context_state.cc
+++ b/gpu/command_buffer/service/context_state.cc
@@ -221,6 +221,7 @@
       pack_reverse_row_order(false),
       ignore_cached_state(false),
       fbo_binding_for_scissor_workaround_dirty(false),
+      framebuffer_srgb_(false),
       feature_info_(feature_info),
       error_state_(ErrorState::Create(error_state_client, logger)) {
   Initialize();
@@ -504,8 +505,15 @@
   RestoreIndexedUniformBufferBindings(prev_state);
   RestoreGlobalState(prev_state);
 
-  // FRAMEBUFFER_SRGB will be restored lazily at render time.
-  framebuffer_srgb_valid_ = false;
+  if (!prev_state) {
+    if (feature_info_->feature_flags().desktop_srgb_support) {
+      framebuffer_srgb_ = false;
+      glDisable(GL_FRAMEBUFFER_SRGB);
+    }
+  } else if (framebuffer_srgb_ != prev_state->framebuffer_srgb_) {
+    // FRAMEBUFFER_SRGB will be restored lazily at render time.
+    framebuffer_srgb_ = prev_state->framebuffer_srgb_;
+  }
 }
 
 ErrorState* ContextState::GetErrorState() {
@@ -698,11 +706,10 @@
 }
 
 void ContextState::EnableDisableFramebufferSRGB(bool enable) {
-  if (framebuffer_srgb_valid_ && framebuffer_srgb_ == enable)
+  if (framebuffer_srgb_ == enable)
     return;
   EnableDisable(GL_FRAMEBUFFER_SRGB, enable);
   framebuffer_srgb_ = enable;
-  framebuffer_srgb_valid_ = true;
 }
 
 void ContextState::InitStateManual(const ContextState*) const {