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

gpu/command_buffer/common/gles2_cmd_format_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_format_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_format_autogen.h b/gpu/command_buffer/common/gles2_cmd_format_autogen.h
index 2f1e47f72ddd22f8ba1dd50d689d196954b5e8f4..3ec79a26dbdcb0567690e45751d78ab3fb7be909 100644
--- a/gpu/command_buffer/common/gles2_cmd_format_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_format_autogen.h
@@ -13084,6 +13084,52 @@ static_assert(offsetof(BindTexImage2DCHROMIUM, target) == 4,
 static_assert(offsetof(BindTexImage2DCHROMIUM, imageId) == 8,
               "offset of BindTexImage2DCHROMIUM imageId should be 8");
 
+struct BindTexImage2DWithInternalformatCHROMIUM {
+  typedef BindTexImage2DWithInternalformatCHROMIUM ValueType;
+  static const CommandId kCmdId = kBindTexImage2DWithInternalformatCHROMIUM;
+  static const cmd::ArgFlags kArgFlags = cmd::kFixed;
+  static const uint8_t cmd_flags = CMD_FLAG_SET_TRACE_LEVEL(3);
+
+  static uint32_t ComputeSize() {
+    return static_cast<uint32_t>(sizeof(ValueType));  // NOLINT
+  }
+
+  void SetHeader() { header.SetCmd<ValueType>(); }
+
+  void Init(GLenum _target, GLenum _internalformat, GLint _imageId) {
+    SetHeader();
+    target = _target;
+    internalformat = _internalformat;
+    imageId = _imageId;
+  }
+
+  void* Set(void* cmd, GLenum _target, GLenum _internalformat, GLint _imageId) {
+    static_cast<ValueType*>(cmd)->Init(_target, _internalformat, _imageId);
+    return NextCmdAddress<ValueType>(cmd);
+  }
+
+  gpu::CommandHeader header;
+  uint32_t target;
+  uint32_t internalformat;
+  int32_t imageId;
+};
+
+static_assert(sizeof(BindTexImage2DWithInternalformatCHROMIUM) == 16,
+              "size of BindTexImage2DWithInternalformatCHROMIUM should be 16");
+static_assert(
+    offsetof(BindTexImage2DWithInternalformatCHROMIUM, header) == 0,
+    "offset of BindTexImage2DWithInternalformatCHROMIUM header should be 0");
+static_assert(
+    offsetof(BindTexImage2DWithInternalformatCHROMIUM, target) == 4,
+    "offset of BindTexImage2DWithInternalformatCHROMIUM target should be 4");
+static_assert(offsetof(BindTexImage2DWithInternalformatCHROMIUM,
+                       internalformat) == 8,
+              "offset of BindTexImage2DWithInternalformatCHROMIUM "
+              "internalformat should be 8");
+static_assert(
+    offsetof(BindTexImage2DWithInternalformatCHROMIUM, imageId) == 12,
+    "offset of BindTexImage2DWithInternalformatCHROMIUM imageId should be 12");
+
 struct ReleaseTexImage2DCHROMIUM {
   typedef ReleaseTexImage2DCHROMIUM ValueType;
   static const CommandId kCmdId = kReleaseTexImage2DCHROMIUM;