Delete copy_texture_to_parent_texture from GPU command buffer code.

gpu/command_buffer/common/gles2_cmd_format_test_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
===================================================================
--- gpu/command_buffer/common/gles2_cmd_format_test_autogen.h	(revision 94743)
+++ gpu/command_buffer/common/gles2_cmd_format_test_autogen.h	(working copy)
@@ -3454,21 +3454,6 @@
   EXPECT_EQ(static_cast<uint32>(13), cmd.result_shm_offset);
 }
 
-TEST(GLES2FormatTest, CopyTextureToParentTextureCHROMIUM) {
-  CopyTextureToParentTextureCHROMIUM cmd = { { 0 } };
-  void* next_cmd = cmd.Set(
-      &cmd,
-      static_cast<GLuint>(11),
-      static_cast<GLuint>(12));
-  EXPECT_EQ(static_cast<uint32>(CopyTextureToParentTextureCHROMIUM::kCmdId),
-            cmd.header.command);
-  EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
-  EXPECT_EQ(static_cast<char*>(next_cmd),
-            reinterpret_cast<char*>(&cmd) + sizeof(cmd));
-  EXPECT_EQ(static_cast<GLuint>(11), cmd.client_child_id);
-  EXPECT_EQ(static_cast<GLuint>(12), cmd.client_parent_id);
-}
-
 TEST(GLES2FormatTest, ResizeCHROMIUM) {
   ResizeCHROMIUM cmd = { { 0 } };
   void* next_cmd = cmd.Set(