Add PERSISTENT_MAP usage for GpuMemoryBuffers.

content/test/fake_compositor_dependencies.cc

 // Copyright 2014 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 "content/test/fake_compositor_dependencies.h"
 
 #include "base/message_loop/message_loop_proxy.h"
 #include "cc/test/fake_external_begin_frame_source.h"
 #include "third_party/khronos/GLES2/gl2.h"
 
@@ skipping 39 matching lines @@
 }
 
 bool FakeCompositorDependencies::IsElasticOverscrollEnabled() {
   return false;
 }
 
 bool FakeCompositorDependencies::UseSingleThreadScheduler() {
   return use_single_thread_scheduler_;
 }
 
-uint32 FakeCompositorDependencies::GetImageTextureTarget() {
+uint32 FakeCompositorDependencies::GetMapImageTextureTarget() {
   return GL_TEXTURE_2D;
 }
 
+uint32 FakeCompositorDependencies::GetPersistentMapImageTextureTarget() {
+  return GL_TEXTURE_2D;
+}
+
 scoped_refptr<base::SingleThreadTaskRunner>
 FakeCompositorDependencies::GetCompositorMainThreadTaskRunner() {
   return base::MessageLoopProxy::current();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 FakeCompositorDependencies::GetCompositorImplThreadTaskRunner() {
   return nullptr;  // Currently never threaded compositing in unit tests.
 }
 
@@ skipping 25 matching lines @@
 
 cc::TaskGraphRunner* FakeCompositorDependencies::GetTaskGraphRunner() {
   return &task_graph_runner_;
 }
 
 bool FakeCompositorDependencies::IsGatherPixelRefsEnabled() {
   return false;
 }
 
 }  // namespace content