Update from https://crrev.com/302630

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index 5b5b9083daa14d2e1e46e8c2a299dd96bf851306..9b028fd494fd6f946d611875dcd00a10c917bc84 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -3127,7 +3127,7 @@ bool GLES2DecoderImpl::CheckFramebufferValid(
       state_.SetDeviceDepthMask(GL_TRUE);
       state_.SetDeviceCapabilityState(GL_SCISSOR_TEST, false);
       bool reset_draw_buffer = false;
-      if ((backbuffer_needs_clear_bits_ | GL_COLOR_BUFFER_BIT) != 0 &&
+      if ((backbuffer_needs_clear_bits_ & GL_COLOR_BUFFER_BIT) != 0 &&
           group_->draw_buffer() == GL_NONE) {
         reset_draw_buffer = true;
         GLenum buf = GL_BACK;
@@ -5102,7 +5102,7 @@ void GLES2DecoderImpl::ClearUnclearedAttachments(
   state_.SetDeviceCapabilityState(GL_SCISSOR_TEST, false);
   glClear(clear_bits);
 
-  if ((clear_bits | GL_COLOR_BUFFER_BIT) != 0 &&
+  if ((clear_bits & GL_COLOR_BUFFER_BIT) != 0 &&
       feature_info_->feature_flags().ext_draw_buffers)
     framebuffer->RestoreDrawBuffersAfterClear();