gpu: check GL_RGB565 work in ES3 context

gpu/command_buffer/service/framebuffer_manager_unittest.cc

Index: gpu/command_buffer/service/framebuffer_manager_unittest.cc
diff --git a/gpu/command_buffer/service/framebuffer_manager_unittest.cc b/gpu/command_buffer/service/framebuffer_manager_unittest.cc
index bb8e2fb2ca08d29a0ad7864115ea736c159ed324..5d47000102e5b6f76384fe34655f535e26b967a7 100644
--- a/gpu/command_buffer/service/framebuffer_manager_unittest.cc
+++ b/gpu/command_buffer/service/framebuffer_manager_unittest.cc
@@ -140,12 +140,16 @@ class FramebufferInfoTestBase : public GpuServiceTest {
         context_type_ == CONTEXT_TYPE_OPENGLES3)
       is_es3 = true;
     InitializeContext(is_es3 ? "3.0" : "2.0", "GL_EXT_framebuffer_object");
+    if (is_es3) {
+      TestHelper::SetupFetureInfoEnableES3ValidatorsExpectations(gl_.get());
+      feature_info_->EnableES3ValidatorsForTesting();
+    }
   }
 
   void InitializeContext(const char* gl_version, const char* extensions) {
     GpuServiceTest::SetUpWithGLVersion(gl_version, extensions);
-    TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(gl_.get(),
-        extensions, "", gl_version, context_type_);
+    TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(
+        gl_.get(), extensions, "", gl_version, context_type_, false);
     feature_info_->InitializeForTesting(context_type_);
     decoder_.reset(new MockGLES2Decoder());
     manager_.CreateFramebuffer(kClient1Id, kService1Id);
@@ -166,7 +170,7 @@ class FramebufferInfoTestBase : public GpuServiceTest {
 
 class FramebufferInfoTest : public FramebufferInfoTestBase {
  public:
-  FramebufferInfoTest() : FramebufferInfoTestBase(CONTEXT_TYPE_OPENGLES2) {}
+  FramebufferInfoTest() : FramebufferInfoTestBase(CONTEXT_TYPE_OPENGLES3) {}
 };
 
 // GCC requires these declarations, but MSVC requires they not be present
@@ -494,7 +498,7 @@ TEST_F(FramebufferInfoTest, AttachTexture2D) {
   const GLsizei kWidth3 = 75;
   const GLsizei kHeight3 = 123;
   const GLint kLevel3 = 0;
-  const GLenum kFormat3 = GL_RGBA;
+  const GLenum kFormat3 = GL_RGB565;
   const GLsizei kSamples3 = 0;
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));