Update from https://crrev.com/306901

gpu/command_buffer/service/shader_translator.cc

Index: gpu/command_buffer/service/shader_translator.cc
diff --git a/gpu/command_buffer/service/shader_translator.cc b/gpu/command_buffer/service/shader_translator.cc
index f719f7d99760a825b37ae1188e0e40d316c3021b..576c7c8df5b93b44785bfa5e03d67f1f2b11ca44 100644
--- a/gpu/command_buffer/service/shader_translator.cc
+++ b/gpu/command_buffer/service/shader_translator.cc
@@ -9,10 +9,12 @@
 #include <algorithm>
 
 #include "base/at_exit.h"
+#include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
+#include "ui/gl/gl_switches.h"
 
 namespace gpu {
 namespace gles2 {
@@ -133,6 +135,10 @@ int ShaderTranslator::GetCompileOptions() const {
       SH_LIMIT_EXPRESSION_COMPLEXITY | SH_LIMIT_CALL_STACK_DEPTH |
       SH_CLAMP_INDIRECT_ARRAY_BOUNDS;
 
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kGLShaderIntermOutput))
+    compile_options |= SH_INTERMEDIATE_TREE;
+
   compile_options |= driver_bug_workarounds_;
 
   return compile_options;