Enable ANGLE workaround for For and While loops bug on Intel MacOSX

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 6feca3d1ca16ab4b7fe237edfe41ca08b8a59176..6720952ec8d4ae5e1fae953eec8acf99d08d474d 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -3725,6 +3725,8 @@ bool GLES2DecoderImpl::InitializeShaderTranslator() {
     driver_bug_workarounds |= SH_EMULATE_ABS_INT_FUNCTION;
   if (workarounds().rewrite_texelfetchoffset_to_texelfetch)
     driver_bug_workarounds |= SH_REWRITE_TEXELFETCHOFFSET_TO_TEXELFETCH;
+  if (workarounds().add_and_true_to_loop_condition)
+    driver_bug_workarounds |= SH_ADD_AND_TRUE_TO_LOOP_CONDITION;
 
   resources.WEBGL_debug_shader_precision =
       group_->gpu_preferences().emulate_shader_precision;