gpu: If not cube complete, the texture isn't renderable, no matter mipmap complete.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.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 "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
@@ skipping 2908 matching lines @@
   group().texture_manager()->SetLevelImage(
       texture_ref, GL_TEXTURE_EXTERNAL_OES, 0, image.get());
 
   DoBindTexture(GL_TEXTURE_EXTERNAL_OES, client_texture_id_, kServiceTextureId);
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
 
   SetupSamplerExternalProgram();
   SetupIndexBuffer();
   AddExpectationsForSimulatedAttrib0(kMaxValidIndex + 1, 0);
   SetupExpectationsForApplyingDefaultDirtyState();
-  EXPECT_TRUE(group().texture_manager()->CanRender(texture_ref));
+  EXPECT_TRUE(group().texture_manager()->IsTextureComplete(texture_ref));
 
   InSequence s;
   EXPECT_CALL(*gl_, GetError())
       .WillOnce(Return(GL_NO_ERROR))
       .RetiresOnSaturation();
   EXPECT_CALL(*gl_, ActiveTexture(GL_TEXTURE0)).Times(1).RetiresOnSaturation();
   EXPECT_CALL(*image.get(), WillUseTexImage()).Times(1).RetiresOnSaturation();
   EXPECT_CALL(*gl_, GetError())
       .WillOnce(Return(GL_NO_ERROR))
       .RetiresOnSaturation();
@@ skipping 341 matching lines @@
 // TODO(gman): CompressedTexSubImage2DImmediate
 
 // TODO(gman): TexImage2D
 
 // TODO(gman): TexImage2DImmediate
 
 // TODO(gman): TexSubImage2DImmediate
 
 }  // namespace gles2
 }  // namespace gpu