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

gpu/command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.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 <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 901 matching lines @@
            false);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
 }
 
 TEST_P(GLES2DecoderManualInitTest, ReadPixels2RowLengthWorkaround) {
   base::CommandLine command_line(0, NULL);
   command_line.AppendSwitchASCII(
       switches::kGpuDriverBugWorkarounds,
       base::IntToString(gpu::PACK_PARAMETERS_WORKAROUND_WITH_PACK_BUFFER));
-  command_line.AppendSwitch(switches::kEnableUnsafeES3APIs);
   InitState init;
   init.gl_version = "OpenGL ES 3.0";
   init.bind_generates_resource = true;
   init.context_type = CONTEXT_TYPE_OPENGLES3;
   InitDecoderWithCommandLine(init, &command_line);
 
   const GLsizei kWidth = 5;
   const GLsizei kHeight = 3;
   const GLint kBytesPerPixel = 4;
   const GLenum kFormat = GL_RGBA;
@@ skipping 33 matching lines @@
            false);
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
 }
 
 TEST_P(GLES2DecoderManualInitTest, ReadPixels2AlignmentWorkaround) {
   base::CommandLine command_line(0, NULL);
   command_line.AppendSwitchASCII(
       switches::kGpuDriverBugWorkarounds,
       base::IntToString(gpu::PACK_PARAMETERS_WORKAROUND_WITH_PACK_BUFFER));
-  command_line.AppendSwitch(switches::kEnableUnsafeES3APIs);
   InitState init;
   init.gl_version = "OpenGL ES 3.0";
   init.bind_generates_resource = true;
   init.context_type = CONTEXT_TYPE_OPENGLES3;
   InitDecoderWithCommandLine(init, &command_line);
 
   const GLsizei kWidth = 5;
   const GLsizei kHeight = 3;
   const GLint kBytesPerPixel = 4;
   const GLenum kFormat = GL_RGBA;
@@ skipping 35 matching lines @@
   EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
   EXPECT_EQ(GL_NO_ERROR, GetGLError());
 }
 
 TEST_P(GLES2DecoderManualInitTest,
        ReadPixels2RowLengthAndAlignmentWorkarounds) {
   base::CommandLine command_line(0, NULL);
   command_line.AppendSwitchASCII(
       switches::kGpuDriverBugWorkarounds,
       base::IntToString(gpu::PACK_PARAMETERS_WORKAROUND_WITH_PACK_BUFFER));
-  command_line.AppendSwitch(switches::kEnableUnsafeES3APIs);
   InitState init;
   init.gl_version = "OpenGL ES 3.0";
   init.bind_generates_resource = true;
   init.context_type = CONTEXT_TYPE_OPENGLES3;
   InitDecoderWithCommandLine(init, &command_line);
 
   const GLsizei kWidth = 5;
   const GLsizei kHeight = 3;
   const GLint kBytesPerPixel = 4;
   const GLenum kFormat = GL_RGBA;
@@ skipping 2802 matching lines @@
     EXPECT_EQ(GL_NO_ERROR, GetGLError());
   }
 }
 
 // TODO(gman): PixelStorei
 
 // TODO(gman): SwapBuffers
 
 }  // namespace gles2
 }  // namespace gpu