Return different IDs from TestWebGraphicsContext3D::createTexture

ui/compositor/test_web_graphics_context_3d.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/compositor/test_web_graphics_context_3d.h"
 
 #include "ui/gl/gl_context_stub.h"
 #include "ui/gl/gl_surface_stub.h"
 
 namespace ui {
 
-TestWebGraphicsContext3D::TestWebGraphicsContext3D() {}
+TestWebGraphicsContext3D::TestWebGraphicsContext3D()
+    : next_texture_id_(1) {}
+
 TestWebGraphicsContext3D::~TestWebGraphicsContext3D() {}
 
 void TestWebGraphicsContext3D::Initialize() {
   gl_surface_ = new gfx::GLSurfaceStub;
   gl_context_ = new gfx::GLContextStub;
   gl_context_->MakeCurrent(gl_surface_.get());
 }
 
 bool TestWebGraphicsContext3D::makeContextCurrent() {
   return true;
@@ skipping 186 matching lines @@
 WebKit::WebGLId TestWebGraphicsContext3D::createRenderbuffer() {
   return 1;
 }
 
 WebKit::WebGLId TestWebGraphicsContext3D::createShader(
     WebKit::WGC3Denum value) {
   return 1;
 }
 
 WebKit::WebGLId TestWebGraphicsContext3D::createTexture() {
-  return 1;
+  return next_texture_id_++;
 }
 
 WebKit::WebGLId TestWebGraphicsContext3D::createQueryEXT()
 {
   return 1;
 }
 
 WebKit::WGC3Dboolean TestWebGraphicsContext3D::isQueryEXT(WebKit::WebGLId)
 {
   return true;
 }
 
 }  // namespace ui