Remove ContextProvider::IsContextLost.

cc/output/program_binding.h

 // Copyright 2011 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.
 
 #ifndef CC_OUTPUT_PROGRAM_BINDING_H_
 #define CC_OUTPUT_PROGRAM_BINDING_H_
 
 #include <string>
 
 #include "base/logging.h"
@@ skipping 24 matching lines @@
 
  protected:
   unsigned LoadShader(gpu::gles2::GLES2Interface* context,
                       unsigned type,
                       const std::string& shader_source);
   unsigned CreateShaderProgram(gpu::gles2::GLES2Interface* context,
                                unsigned vertex_shader,
                                unsigned fragment_shader);
   void CleanupShaders(gpu::gles2::GLES2Interface* context);
 
+  bool IsContextLost(gpu::gles2::GLES2Interface* context);
+
   unsigned program_;
   unsigned vertex_shader_id_;
   unsigned fragment_shader_id_;
   bool initialized_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ProgramBindingBase);
 };
 
 template <class VertexShader, class FragmentShader>
@@ skipping 17 matching lines @@
   }
 
   void Initialize(ContextProvider* context_provider,
                   TexCoordPrecision precision,
                   SamplerType sampler,
                   BlendMode blend_mode,
                   bool mask_for_background) {
     DCHECK(context_provider);
     DCHECK(!initialized_);
 
-    if (context_provider->IsContextLost())
+    if (IsContextLost(context_provider->ContextGL()))
       return;
 
     fragment_shader_.set_blend_mode(blend_mode);
     fragment_shader_.set_mask_for_background(mask_for_background);
 
     if (!ProgramBindingBase::Init(
             context_provider->ContextGL(),
             vertex_shader_.GetShaderString(),
             fragment_shader_.GetShaderString(precision, sampler))) {
-      DCHECK(context_provider->IsContextLost());
+      DCHECK(IsContextLost(context_provider->ContextGL()));
       return;
     }
 
     int base_uniform_index = 0;
     vertex_shader_.Init(context_provider->ContextGL(),
                         program_, &base_uniform_index);
     fragment_shader_.Init(context_provider->ContextGL(),
                           program_, &base_uniform_index);
 
     // Link after binding uniforms
     if (!Link(context_provider->ContextGL())) {
-      DCHECK(context_provider->IsContextLost());
+      DCHECK(IsContextLost(context_provider->ContextGL()));
       return;
     }
 
     initialized_ = true;
   }
 
   const VertexShader& vertex_shader() const { return vertex_shader_; }
   const FragmentShader& fragment_shader() const { return fragment_shader_; }
 
  private:
   VertexShader vertex_shader_;
   FragmentShader fragment_shader_;
 
   DISALLOW_COPY_AND_ASSIGN(ProgramBinding);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_PROGRAM_BINDING_H_