Fix blits from multisampled renderbuffers to alpha:false WebGL back buffer.

gpu/command_buffer/common/gles2_cmd_format_test_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h b/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
index 1bf9ced56751bb8538b040ac594daf2833535ab2..d7094ea1ee3c15e691ded2129dc3da1dfff3ac36 100644
--- a/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
@@ -4434,6 +4434,21 @@ TEST_F(GLES2FormatTest, BindTexImage2DCHROMIUM) {
   CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
 }
 
+TEST_F(GLES2FormatTest, BindTexImage2DWithInternalformatCHROMIUM) {
+  cmds::BindTexImage2DWithInternalformatCHROMIUM& cmd =
+      *GetBufferAs<cmds::BindTexImage2DWithInternalformatCHROMIUM>();
+  void* next_cmd = cmd.Set(&cmd, static_cast<GLenum>(11),
+                           static_cast<GLenum>(12), static_cast<GLint>(13));
+  EXPECT_EQ(static_cast<uint32_t>(
+                cmds::BindTexImage2DWithInternalformatCHROMIUM::kCmdId),
+            cmd.header.command);
+  EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
+  EXPECT_EQ(static_cast<GLenum>(11), cmd.target);
+  EXPECT_EQ(static_cast<GLenum>(12), cmd.internalformat);
+  EXPECT_EQ(static_cast<GLint>(13), cmd.imageId);
+  CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
+}
+
 TEST_F(GLES2FormatTest, ReleaseTexImage2DCHROMIUM) {
   cmds::ReleaseTexImage2DCHROMIUM& cmd =
       *GetBufferAs<cmds::ReleaseTexImage2DCHROMIUM>();