diff --git a/ui/gl/gl_surface_ios.h b/ui/gl/gl_surface_ios.h
index 3b1d317..55ecd76 100644
--- a/ui/gl/gl_surface_ios.h
+++ b/ui/gl/gl_surface_ios.h
@@ -28,6 +28,8 @@
   uint32_t depth_stencil_packed_buffer_;
   Size last_configured_size_;
   bool framebuffer_setup_complete_;
+
+  ~GLSurfaceIOS() override;
   void SetupFramebufferIfNecessary();
 
   DISALLOW_COPY_AND_ASSIGN(GLSurfaceIOS);
diff --git a/ui/gl/gl_surface_ios.mm b/ui/gl/gl_surface_ios.mm
index a65c666..0f8b1fc 100644
--- a/ui/gl/gl_surface_ios.mm
+++ b/ui/gl/gl_surface_ios.mm
@@ -30,6 +30,8 @@
       framebuffer_setup_complete_(false) {
 }
 
+GLSurfaceIOS::~GLSurfaceIOS() {}
+
 #ifndef NDEBUG
 static void GLSurfaceIOS_AssertFramebufferCompleteness(void) {
   GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);