Remove default textures in (!bind_generates_resource) context groups.

gpu/command_buffer/service/texture_manager.h

 // 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.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 470 matching lines @@
   TextureManager(MemoryTracker* memory_tracker,
                  FeatureInfo* feature_info,
                  GLsizei max_texture_size,
                  GLsizei max_cube_map_texture_size);
   ~TextureManager();
 
   void set_framebuffer_manager(FramebufferManager* manager) {
     framebuffer_manager_ = manager;
   }
 
+  void set_use_default_textures(bool use_default_textures) {
+    use_default_textures_ = use_default_textures;
+  }
+
   // Init the texture manager.
   bool Initialize();
 
   // Must call before destruction.
   void Destroy(bool have_context);
 
   // Returns the maximum number of levels.
   GLint MaxLevelsForTarget(GLenum target) const {
     switch (target) {
       case GL_TEXTURE_2D:
@@ skipping 266 matching lines @@
 
   // Info for each texture in the system.
   typedef base::hash_map<GLuint, scoped_refptr<TextureRef> > TextureMap;
   TextureMap textures_;
 
   GLsizei max_texture_size_;
   GLsizei max_cube_map_texture_size_;
   GLint max_levels_;
   GLint max_cube_map_levels_;
 
+  bool use_default_textures_;
+
   int num_unrenderable_textures_;
   int num_unsafe_textures_;
   int num_uncleared_mips_;
   int num_images_;
 
   // Counts the number of Textures allocated with 'this' as its manager.
   // Allows to check no Texture will outlive this.
   unsigned int texture_count_;
 
   bool have_context_;
@@ skipping 20 matching lines @@
  private:
   DecoderTextureState* texture_state_;
   base::TimeTicks begin_time_;
   DISALLOW_COPY_AND_ASSIGN(ScopedTextureUploadTimer);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_