WebGL 2: make sure VertexAttrib type match the corresponding attrib type in shader

gpu/command_buffer/service/feature_info.cc

Index: gpu/command_buffer/service/feature_info.cc
diff --git a/gpu/command_buffer/service/feature_info.cc b/gpu/command_buffer/service/feature_info.cc
index 46cd137b005cf5f5e9852e66ea28fadca83bd511..973b041a7a7024bee6e3e89dec51712bb36c8493 100644
--- a/gpu/command_buffer/service/feature_info.cc
+++ b/gpu/command_buffer/service/feature_info.cc
@@ -1424,6 +1424,21 @@ bool FeatureInfo::IsWebGLContext() const {
   return false;
 }
 
+bool FeatureInfo::IsWebGL2OrES3Context() const {
+  // Switch statement to cause a compile-time error if we miss a case.

[Zhenyao Mo, 2016/07/22 14:36:47]

Since you add a default, this comment is incorrect.

+  switch (context_type_) {
+    case CONTEXT_TYPE_WEBGL2:
+    case CONTEXT_TYPE_OPENGLES3:
+      return true;
+    case CONTEXT_TYPE_WEBGL1:
+    case CONTEXT_TYPE_OPENGLES2:
+      return false;
+    default:
+      NOTREACHED();
+      return false;
+  }
+}
+
 void FeatureInfo::AddExtensionString(const char* s) {
   std::string str(s);
   size_t pos = extensions_.find(str);