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

gpu/command_buffer/service/texture_manager_unittest.cc

 // Copyright (c) 2012 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/texture_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 93 matching lines @@
         gl_.get(), error_state_.get(), manager_.get(),
         texture_ref, pname, value, error);
   }
 
   void SetupFeatureInfo(const char* gl_extensions,
                         const char* gl_version,
                         bool enable_es3) {
     TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
         gl_.get(), gl_extensions, "", gl_version,
         feature_info_->context_type(), enable_es3);
-    feature_info_->InitializeForTesting();
+    if (enable_es3) {
+      EXPECT_CALL(*gl_, GetIntegerv(35055, _))
+          .Times(1)
+          .RetiresOnSaturation();
+    }
+    feature_info_->InitializeForTesting(
+        enable_es3 ? CONTEXT_TYPE_OPENGLES3 : CONTEXT_TYPE_OPENGLES2);
     if (enable_es3) {
       EXPECT_CALL(*gl_, GetIntegerv(GL_MAX_COLOR_ATTACHMENTS, _))
           .WillOnce(SetArgPointee<1>(8))
           .RetiresOnSaturation();
       EXPECT_CALL(*gl_, GetIntegerv(GL_MAX_DRAW_BUFFERS, _))
           .WillOnce(SetArgPointee<1>(8))
           .RetiresOnSaturation();
       feature_info_->EnableES3Validators();
     }
   }
@@ skipping 2569 matching lines @@
   ExpectValid(
       true, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_DEPTH24_STENCIL8);
   ExpectValid(true, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV,
               GL_DEPTH32F_STENCIL8);
 
   ExpectInvalid(true, GL_RGB_INTEGER, GL_INT, GL_RGBA8);
 }
 
 }  // namespace gles2
 }  // namespace gpu