gpu: Support other buffer targets for ScopedBufferBinder

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 7259d753b628349c4598f445b835408592d50610..5aa24fbacd095e7c09ea022d30254b49588ba9fe 100644
--- a/gpu/command_buffer/service/context_state.cc
+++ b/gpu/command_buffer/service/context_state.cc
@@ -77,16 +77,6 @@ bool TargetIsSupported(const FeatureInfo* feature_info, GLuint target) {
   }
 }
 
-bool BufferTargetIsSupported(GLuint target) {
-  switch (target) {
-    case GL_ARRAY_BUFFER:
-      return true;
-    default:
-      NOTREACHED();
-      return false;
-  }
-}
-
 GLuint GetBufferId(const Buffer* buffer) {
   if (buffer)
     return buffer->service_id();
@@ -316,11 +306,6 @@ void ContextState::DoLineWidth(GLfloat width) const {
       std::min(std::max(width, line_width_min_), line_width_max_));
 }
 
-void ContextState::RestoreBufferBinding(unsigned int target) const {
-  if (BufferTargetIsSupported(target))
-    glBindBuffer(target, GetBufferId(bound_array_buffer.get()));
-}
-
 void ContextState::RestoreBufferBindings() const {
   if (vertex_attrib_manager.get()) {
     Buffer* element_array_buffer =