Remove unsafe mode to enable es3 api by default for WebGL2 and ES3 context

gpu/command_buffer/service/gles2_cmd_decoder_unittest_programs.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 <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 2106 matching lines @@
   EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
   cmd.Init(client_program_id_,
            kBucketId,
            kSharedMemoryId,
            kInvalidSharedMemoryOffset);
   EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
 }
 
 TEST_P(GLES3DecoderWithShaderTest, Basic) {
   // Make sure the setup is correct for ES3.
-  EXPECT_TRUE(decoder_->unsafe_es3_apis_enabled());
+  EXPECT_TRUE(decoder_->es3_apis_enabled());
   EXPECT_TRUE(feature_info()->validators()->texture_bind_target.IsValid(
       GL_TEXTURE_3D));
 }
 
 TEST_P(GLES3DecoderWithShaderTest, UniformBlockBindingValidArgs) {
   EXPECT_CALL(*gl_, UniformBlockBinding(kServiceProgramId, 1, 3));
   SpecializedSetup<UniformBlockBinding, 0>(true);
   UniformBlockBinding cmd;
   cmd.Init(client_program_id_, 1, 3);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
@@ skipping 128 matching lines @@
 }
 
 // TODO(gman): DeleteProgram
 
 // TODO(gman): UseProgram
 
 // TODO(gman): DeleteShader
 
 }  // namespace gles2
 }  // namespace gpu