Remove StreamTextureManager

gpu/command_buffer/service/texture_manager.cc

Index: gpu/command_buffer/service/texture_manager.cc
diff --git a/gpu/command_buffer/service/texture_manager.cc b/gpu/command_buffer/service/texture_manager.cc
index 486bdacad32f013153380a74dc3ad9d343a2e681..e8276fb84887333128433510f47eff028b635690 100644
--- a/gpu/command_buffer/service/texture_manager.cc
+++ b/gpu/command_buffer/service/texture_manager.cc
@@ -12,7 +12,6 @@
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/mailbox_manager.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
-#include "gpu/command_buffer/service/stream_texture_manager.h"
 
 namespace gpu {
 namespace gles2 {
@@ -115,7 +114,6 @@ Texture::Texture(GLuint service_id)
       npot_(false),
       has_been_bound_(false),
       framebuffer_attachment_count_(0),
-      stream_texture_(false),
       immutable_(false),
       estimated_size_(0),
       can_render_condition_(CAN_RENDER_ALWAYS) {
@@ -198,7 +196,7 @@ Texture::CanRenderCondition Texture::GetCanRenderCondition() const {
     return CAN_RENDER_ALWAYS;
 
   if (target_ == GL_TEXTURE_EXTERNAL_OES) {
-    if (!IsStreamTexture()) {
+    if (!GetLevelImage(target_, 0)) {
       return CAN_RENDER_NEVER;
     }
   } else {
@@ -803,8 +801,7 @@ TextureRef::TextureRef(TextureManager* manager,
                        Texture* texture)
     : manager_(manager),
       texture_(texture),
-      client_id_(client_id),
-      is_stream_texture_owner_(false) {
+      client_id_(client_id) {
   DCHECK(manager_);
   DCHECK(texture_);
   texture_->AddTextureRef(this);
@@ -834,7 +831,6 @@ TextureManager::TextureManager(
           new MemoryTypeTracker(memory_tracker, MemoryTracker::kUnmanaged)),
       feature_info_(feature_info),
       framebuffer_manager_(NULL),
-      stream_texture_manager_(NULL),
       max_texture_size_(max_texture_size),
       max_cube_map_texture_size_(max_cube_map_texture_size),
       max_levels_(ComputeMipMapCount(max_texture_size,
@@ -980,19 +976,6 @@ void TextureManager::SetTarget(TextureRef* ref, GLenum target) {
       ->SetTarget(feature_info_.get(), target, MaxLevelsForTarget(target));
 }
 
-void TextureManager::SetStreamTexture(TextureRef* ref, bool stream_texture) {
-  DCHECK(ref);
-  // Only the owner can mark as non-stream texture.
-  DCHECK_EQ(stream_texture, !ref->is_stream_texture_owner_);
-  ref->texture()->SetStreamTexture(stream_texture);
-  ref->set_is_stream_texture_owner(stream_texture);
-}
-
-bool TextureManager::IsStreamTextureOwner(TextureRef* ref) {
-  DCHECK(ref);
-  return ref->is_stream_texture_owner();
-}
-
 void TextureManager::SetLevelCleared(TextureRef* ref,
                                      GLenum target,
                                      GLint level,
@@ -1139,10 +1122,6 @@ void TextureManager::StopTracking(TextureRef* ref) {
                     OnTextureRefDestroying(ref));
 
   Texture* texture = ref->texture();
-  if (ref->is_stream_texture_owner_ && stream_texture_manager_) {
-    DCHECK(texture->IsStreamTexture());
-    stream_texture_manager_->DestroyStreamTexture(texture->service_id());
-  }
 
   --texture_count_;
   if (!texture->CanRender(feature_info_.get())) {