During image destroy, delete textures only if we have a GL context.

ui/gl/gl_image_stub.cc

Index: ui/gl/gl_image_stub.cc
diff --git a/ui/gl/gl_image_stub.cc b/ui/gl/gl_image_stub.cc
index d789ce50e68fa9b26fbb0bb5b9c92d04261393de..06589d5d9daf9142f30a40abd1e7840c0a0987de 100644
--- a/ui/gl/gl_image_stub.cc
+++ b/ui/gl/gl_image_stub.cc
@@ -8,7 +8,9 @@ namespace gfx {
 
 GLImageStub::GLImageStub() {}
 
-GLImageStub::~GLImageStub() { Destroy(); }
+GLImageStub::~GLImageStub() {
+  Destroy(false);

[reveman, 2014/05/29 16:30:34]

No call to Destroy in dtor please.

+}
 
 gfx::Size GLImageStub::GetSize() { return gfx::Size(1, 1); }