Use client side arrays for GL_STREAM_DRAW attributes

gpu/command_buffer/service/vertex_attrib_manager.h

Index: gpu/command_buffer/service/vertex_attrib_manager.h
diff --git a/gpu/command_buffer/service/vertex_attrib_manager.h b/gpu/command_buffer/service/vertex_attrib_manager.h
index 76c75c8aff2144baec95c1a6e5fd73c8b577a4a5..ddd29beb044ca2d4e46d3d743bb66d74e430ae86 100644
--- a/gpu/command_buffer/service/vertex_attrib_manager.h
+++ b/gpu/command_buffer/service/vertex_attrib_manager.h
@@ -17,6 +17,9 @@
 namespace gpu {
 namespace gles2 {
 
+class FeatureInfo;
+class GLES2Decoder;
+class Program;
 class VertexArrayManager;
 
 // Info about a Vertex Attribute. This is used to track what the user currently
@@ -75,6 +78,14 @@ class GPU_EXPORT VertexAttrib {
                                      max_vertex_accessed;
   }
 
+  bool is_client_side_array() const {
+    return is_client_side_array_;
+  }
+
+  void set_is_client_side_array(bool value) {
+    is_client_side_array_ = value;
+  }
+
  private:
   friend class VertexAttribManager;
 
@@ -139,6 +150,9 @@ class GPU_EXPORT VertexAttrib {
 
   GLsizei divisor_;
 
+  // Will be true if this was assigned to a client side array.
+  bool is_client_side_array_;
+
   // The buffer bound to this attribute.
   scoped_refptr<Buffer> buffer_;
 
@@ -231,6 +245,14 @@ class GPU_EXPORT VertexAttribManager :
     return vertex_attrib_infos_.size();
   }
 
+  bool ValidateBindings(
+      const char* function_name,
+      GLES2Decoder* decoder,
+      FeatureInfo* feature_info,
+      Program* current_program,
+      GLuint max_vertex_accessed,
+      GLsizei primcount);
+
  private:
   friend class VertexArrayManager;
   friend class VertexArrayManagerTest;